26681569360

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{179989}}^1$

素因数の和:180128

約数の個数: 80

約数和(自身を含む): 66286717200

約数和(自身を除く): 39605147840

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 109, 136, 170, 218, 272, 340, 436, 545, 680, 872, 1090, 1360, 1744, 1853, 2180, 3706, 4360, 7412, 8720, 9265, 14824, 18530, 29648, 37060, 74120, 148240, 179989, 359978, 719956, 899945, 1439912, 1799890, 2879824, 3059813, 3599780, 6119626, 7199560, 12239252, 14399120, 15299065, 19618801, 24478504, 30598130, 39237602, 48957008, 61196260, 78475204, 98094005, 122392520, 156950408, 196188010, 244785040, 313900816, 333519617, 392376020, 667039234, 784752040, 1334078468, 1569504080, 1667598085, 2668156936, 3335196170, 5336313872, 6670392340, 13340784680, 26681569360]

約数ペア:

[(1, 26681569360), (2, 13340784680), (4, 6670392340), (5, 5336313872), (8, 3335196170), (10, 2668156936), (16, 1667598085), (17, 1569504080), (20, 1334078468), (34, 784752040), (40, 667039234), (68, 392376020), (80, 333519617), (85, 313900816), (109, 244785040), (136, 196188010), (170, 156950408), (218, 122392520), (272, 98094005), (340, 78475204), (436, 61196260), (545, 48957008), (680, 39237602), (872, 30598130), (1090, 24478504), (1360, 19618801), (1744, 15299065), (1853, 14399120), (2180, 12239252), (3706, 7199560), (4360, 6119626), (7412, 3599780), (8720, 3059813), (9265, 2879824), (14824, 1799890), (18530, 1439912), (29648, 899945), (37060, 719956), (74120, 359978), (148240, 179989)]