31864360

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{521}}^1$

素因数の和:682

約数の個数: 64

約数和(自身を含む): 78926400

約数和(自身を除く): 47062040

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 139, 220, 278, 440, 521, 556, 695, 1042, 1112, 1390, 1529, 2084, 2605, 2780, 3058, 4168, 5210, 5560, 5731, 6116, 7645, 10420, 11462, 12232, 15290, 20840, 22924, 28655, 30580, 45848, 57310, 61160, 72419, 114620, 144838, 229240, 289676, 362095, 579352, 724190, 796609, 1448380, 1593218, 2896760, 3186436, 3983045, 6372872, 7966090, 15932180, 31864360]

約数ペア:

[(1, 31864360), (2, 15932180), (4, 7966090), (5, 6372872), (8, 3983045), (10, 3186436), (11, 2896760), (20, 1593218), (22, 1448380), (40, 796609), (44, 724190), (55, 579352), (88, 362095), (110, 289676), (139, 229240), (220, 144838), (278, 114620), (440, 72419), (521, 61160), (556, 57310), (695, 45848), (1042, 30580), (1112, 28655), (1390, 22924), (1529, 20840), (2084, 15290), (2605, 12232), (2780, 11462), (3058, 10420), (4168, 7645), (5210, 6116), (5560, 5731)]