64925900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{49943}}^1$

素因数の和:49970

約数の個数: 36

約数和(自身を含む): 151729872

約数和(自身を除く): 86803972

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 49943, 99886, 199772, 249715, 499430, 649259, 998860, 1248575, 1298518, 2497150, 2597036, 3246295, 4994300, 6492590, 12985180, 16231475, 32462950, 64925900]

約数ペア:

[(1, 64925900), (2, 32462950), (4, 16231475), (5, 12985180), (10, 6492590), (13, 4994300), (20, 3246295), (25, 2597036), (26, 2497150), (50, 1298518), (52, 1248575), (65, 998860), (100, 649259), (130, 499430), (260, 249715), (325, 199772), (650, 99886), (1300, 49943)]