480109825

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{739}}^1\times {\mathrm{1999}}^1$

素因数の和:2761

約数の個数: 24

約数和(自身を含む): 642320000

約数和(自身を除く): 162210175

約数列:

[1, 5, 13, 25, 65, 325, 739, 1999, 3695, 9607, 9995, 18475, 25987, 48035, 49975, 129935, 240175, 649675, 1477261, 7386305, 19204393, 36931525, 96021965, 480109825]

約数ペア:

[(1, 480109825), (5, 96021965), (13, 36931525), (25, 19204393), (65, 7386305), (325, 1477261), (739, 649675), (1999, 240175), (3695, 129935), (9607, 49975), (9995, 48035), (18475, 25987)]