64609675

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{3259}}^1$

素因数の和:3343

約数の個数: 24

約数和(自身を含む): 87720080

約数和(自身を除く): 23110405

約数列:

[1, 5, 13, 25, 61, 65, 305, 325, 793, 1525, 3259, 3965, 16295, 19825, 42367, 81475, 198799, 211835, 993995, 1059175, 2584387, 4969975, 12921935, 64609675]

約数ペア:

[(1, 64609675), (5, 12921935), (13, 4969975), (25, 2584387), (61, 1059175), (65, 993995), (305, 211835), (325, 198799), (793, 81475), (1525, 42367), (3259, 19825), (3965, 16295)]