1640381275

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{7079}}^1$

素因数の和:7156

約数の個数: 48

約数和(自身を含む): 2359848960

約数和(自身を除く): 719467685

約数列:

[1, 5, 13, 23, 25, 31, 65, 115, 155, 299, 325, 403, 575, 713, 775, 1495, 2015, 3565, 7079, 7475, 9269, 10075, 17825, 35395, 46345, 92027, 162817, 176975, 219449, 231725, 460135, 814085, 1097245, 2116621, 2300675, 2852837, 4070425, 5047327, 5486225, 10583105, 14264185, 25236635, 52915525, 65615251, 71320925, 126183175, 328076255, 1640381275]

約数ペア:

[(1, 1640381275), (5, 328076255), (13, 126183175), (23, 71320925), (25, 65615251), (31, 52915525), (65, 25236635), (115, 14264185), (155, 10583105), (299, 5486225), (325, 5047327), (403, 4070425), (575, 2852837), (713, 2300675), (775, 2116621), (1495, 1097245), (2015, 814085), (3565, 460135), (7079, 231725), (7475, 219449), (9269, 176975), (10075, 162817), (17825, 92027), (35395, 46345)]