51282140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1483}}^1$

素因数の和:1531

約数の個数: 96

約数和(自身を含む): 139614720

約数和(自身を除く): 88332580

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 19, 20, 26, 28, 35, 38, 52, 65, 70, 76, 91, 95, 130, 133, 140, 182, 190, 247, 260, 266, 364, 380, 455, 494, 532, 665, 910, 988, 1235, 1330, 1483, 1729, 1820, 2470, 2660, 2966, 3458, 4940, 5932, 6916, 7415, 8645, 10381, 14830, 17290, 19279, 20762, 28177, 29660, 34580, 38558, 41524, 51905, 56354, 77116, 96395, 103810, 112708, 134953, 140885, 192790, 197239, 207620, 269906, 281770, 366301, 385580, 394478, 539812, 563540, 674765, 732602, 788956, 986195, 1349530, 1465204, 1831505, 1972390, 2564107, 2699060, 3663010, 3944780, 5128214, 7326020, 10256428, 12820535, 25641070, 51282140]

約数ペア:

[(1, 51282140), (2, 25641070), (4, 12820535), (5, 10256428), (7, 7326020), (10, 5128214), (13, 3944780), (14, 3663010), (19, 2699060), (20, 2564107), (26, 1972390), (28, 1831505), (35, 1465204), (38, 1349530), (52, 986195), (65, 788956), (70, 732602), (76, 674765), (91, 563540), (95, 539812), (130, 394478), (133, 385580), (140, 366301), (182, 281770), (190, 269906), (247, 207620), (260, 197239), (266, 192790), (364, 140885), (380, 134953), (455, 112708), (494, 103810), (532, 96395), (665, 77116), (910, 56354), (988, 51905), (1235, 41524), (1330, 38558), (1483, 34580), (1729, 29660), (1820, 28177), (2470, 20762), (2660, 19279), (2966, 17290), (3458, 14830), (4940, 10381), (5932, 8645), (6916, 7415)]