51413180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{53}}^1$

素因数の和:136

約数の個数: 144

約数和(自身を含む): 139454784

約数和(自身を除く): 88041604

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 41, 52, 53, 65, 70, 82, 91, 106, 130, 140, 164, 169, 182, 205, 212, 260, 265, 287, 338, 364, 371, 410, 455, 530, 533, 574, 676, 689, 742, 820, 845, 910, 1060, 1066, 1148, 1183, 1378, 1435, 1484, 1690, 1820, 1855, 2132, 2173, 2366, 2665, 2756, 2870, 3380, 3445, 3710, 3731, 4346, 4732, 4823, 5330, 5740, 5915, 6890, 6929, 7420, 7462, 8692, 8957, 9646, 10660, 10865, 11830, 13780, 13858, 14924, 15211, 17914, 18655, 19292, 21730, 23660, 24115, 27716, 28249, 30422, 34645, 35828, 37310, 43460, 44785, 48230, 48503, 56498, 60844, 62699, 69290, 74620, 76055, 89570, 96460, 97006, 112996, 125398, 138580, 141245, 152110, 179140, 194012, 197743, 242515, 250796, 282490, 304220, 313495, 367237, 395486, 485030, 564980, 626990, 734474, 790972, 970060, 988715, 1253980, 1468948, 1836185, 1977430, 2570659, 3672370, 3954860, 5141318, 7344740, 10282636, 12853295, 25706590, 51413180]

約数ペア:

[(1, 51413180), (2, 25706590), (4, 12853295), (5, 10282636), (7, 7344740), (10, 5141318), (13, 3954860), (14, 3672370), (20, 2570659), (26, 1977430), (28, 1836185), (35, 1468948), (41, 1253980), (52, 988715), (53, 970060), (65, 790972), (70, 734474), (82, 626990), (91, 564980), (106, 485030), (130, 395486), (140, 367237), (164, 313495), (169, 304220), (182, 282490), (205, 250796), (212, 242515), (260, 197743), (265, 194012), (287, 179140), (338, 152110), (364, 141245), (371, 138580), (410, 125398), (455, 112996), (530, 97006), (533, 96460), (574, 89570), (676, 76055), (689, 74620), (742, 69290), (820, 62699), (845, 60844), (910, 56498), (1060, 48503), (1066, 48230), (1148, 44785), (1183, 43460), (1378, 37310), (1435, 35828), (1484, 34645), (1690, 30422), (1820, 28249), (1855, 27716), (2132, 24115), (2173, 23660), (2366, 21730), (2665, 19292), (2756, 18655), (2870, 17914), (3380, 15211), (3445, 14924), (3710, 13858), (3731, 13780), (4346, 11830), (4732, 10865), (4823, 10660), (5330, 9646), (5740, 8957), (5915, 8692), (6890, 7462), (6929, 7420)]