25138650550

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{163}}^1\times {\mathrm{821}}^1$

素因数の和:1043

約数の個数: 144

約数和(自身を含む): 53884644912

約数和(自身を除く): 28745994362

約数列:

[1, 2, 5, 10, 13, 17, 25, 26, 34, 50, 65, 85, 130, 163, 170, 221, 289, 325, 326, 425, 442, 578, 650, 815, 821, 850, 1105, 1445, 1630, 1642, 2119, 2210, 2771, 2890, 3757, 4075, 4105, 4238, 5525, 5542, 7225, 7514, 8150, 8210, 10595, 10673, 11050, 13855, 13957, 14450, 18785, 20525, 21190, 21346, 27710, 27914, 36023, 37570, 41050, 47107, 52975, 53365, 69275, 69785, 72046, 93925, 94214, 105950, 106730, 133823, 138550, 139570, 180115, 181441, 187850, 235535, 237269, 266825, 267646, 348925, 360230, 362882, 471070, 474538, 533650, 612391, 669115, 697850, 900575, 907205, 1177675, 1186345, 1224782, 1338230, 1739699, 1801150, 1814410, 2274991, 2355350, 2372690, 3061955, 3084497, 3345575, 3479398, 4536025, 4549982, 5931725, 6123910, 6168994, 6691150, 8698495, 9072050, 11374955, 11863450, 15309775, 15422485, 17396990, 22749910, 29574883, 30619550, 30844970, 38674847, 43492475, 56874775, 59149766, 77112425, 77349694, 86984950, 113749550, 147874415, 154224850, 193374235, 295748830, 386748470, 502773011, 739372075, 966871175, 1005546022, 1478744150, 1933742350, 2513865055, 5027730110, 12569325275, 25138650550]

約数ペア:

[(1, 25138650550), (2, 12569325275), (5, 5027730110), (10, 2513865055), (13, 1933742350), (17, 1478744150), (25, 1005546022), (26, 966871175), (34, 739372075), (50, 502773011), (65, 386748470), (85, 295748830), (130, 193374235), (163, 154224850), (170, 147874415), (221, 113749550), (289, 86984950), (325, 77349694), (326, 77112425), (425, 59149766), (442, 56874775), (578, 43492475), (650, 38674847), (815, 30844970), (821, 30619550), (850, 29574883), (1105, 22749910), (1445, 17396990), (1630, 15422485), (1642, 15309775), (2119, 11863450), (2210, 11374955), (2771, 9072050), (2890, 8698495), (3757, 6691150), (4075, 6168994), (4105, 6123910), (4238, 5931725), (5525, 4549982), (5542, 4536025), (7225, 3479398), (7514, 3345575), (8150, 3084497), (8210, 3061955), (10595, 2372690), (10673, 2355350), (11050, 2274991), (13855, 1814410), (13957, 1801150), (14450, 1739699), (18785, 1338230), (20525, 1224782), (21190, 1186345), (21346, 1177675), (27710, 907205), (27914, 900575), (36023, 697850), (37570, 669115), (41050, 612391), (47107, 533650), (52975, 474538), (53365, 471070), (69275, 362882), (69785, 360230), (72046, 348925), (93925, 267646), (94214, 266825), (105950, 237269), (106730, 235535), (133823, 187850), (138550, 181441), (139570, 180115)]