31661500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{4871}}^1$

素因数の和:4903

約数の個数: 48

約数和(自身を含む): 74483136

約数和(自身を除く): 42821636

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 250, 260, 325, 500, 650, 1300, 1625, 3250, 4871, 6500, 9742, 19484, 24355, 48710, 63323, 97420, 121775, 126646, 243550, 253292, 316615, 487100, 608875, 633230, 1217750, 1266460, 1583075, 2435500, 3166150, 6332300, 7915375, 15830750, 31661500]

約数ペア:

[(1, 31661500), (2, 15830750), (4, 7915375), (5, 6332300), (10, 3166150), (13, 2435500), (20, 1583075), (25, 1266460), (26, 1217750), (50, 633230), (52, 608875), (65, 487100), (100, 316615), (125, 253292), (130, 243550), (250, 126646), (260, 121775), (325, 97420), (500, 63323), (650, 48710), (1300, 24355), (1625, 19484), (3250, 9742), (4871, 6500)]