51361420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{443}}^1$

素因数の和:511

約数の個数: 96

約数和(自身を含む): 128894976

約数和(自身を除く): 77533556

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 31, 34, 44, 55, 62, 68, 85, 110, 124, 155, 170, 187, 220, 310, 340, 341, 374, 443, 527, 620, 682, 748, 886, 935, 1054, 1364, 1705, 1772, 1870, 2108, 2215, 2635, 3410, 3740, 4430, 4873, 5270, 5797, 6820, 7531, 8860, 9746, 10540, 11594, 13733, 15062, 19492, 23188, 24365, 27466, 28985, 30124, 37655, 48730, 54932, 57970, 68665, 75310, 82841, 97460, 115940, 137330, 150620, 151063, 165682, 233461, 274660, 302126, 331364, 414205, 466922, 604252, 755315, 828410, 933844, 1167305, 1510630, 1656820, 2334610, 2568071, 3021260, 4669220, 5136142, 10272284, 12840355, 25680710, 51361420]

約数ペア:

[(1, 51361420), (2, 25680710), (4, 12840355), (5, 10272284), (10, 5136142), (11, 4669220), (17, 3021260), (20, 2568071), (22, 2334610), (31, 1656820), (34, 1510630), (44, 1167305), (55, 933844), (62, 828410), (68, 755315), (85, 604252), (110, 466922), (124, 414205), (155, 331364), (170, 302126), (187, 274660), (220, 233461), (310, 165682), (340, 151063), (341, 150620), (374, 137330), (443, 115940), (527, 97460), (620, 82841), (682, 75310), (748, 68665), (886, 57970), (935, 54932), (1054, 48730), (1364, 37655), (1705, 30124), (1772, 28985), (1870, 27466), (2108, 24365), (2215, 23188), (2635, 19492), (3410, 15062), (3740, 13733), (4430, 11594), (4873, 10540), (5270, 9746), (5797, 8860), (6820, 7531)]