64387700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{49529}}^1$

素因数の和:49556

約数の個数: 36

約数和(自身を含む): 150472140

約数和(自身を除く): 86084440

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 49529, 99058, 198116, 247645, 495290, 643877, 990580, 1238225, 1287754, 2476450, 2575508, 3219385, 4952900, 6438770, 12877540, 16096925, 32193850, 64387700]

約数ペア:

[(1, 64387700), (2, 32193850), (4, 16096925), (5, 12877540), (10, 6438770), (13, 4952900), (20, 3219385), (25, 2575508), (26, 2476450), (50, 1287754), (52, 1238225), (65, 990580), (100, 643877), (130, 495290), (260, 247645), (325, 198116), (650, 99058), (1300, 49529)]