25128460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{751}}^1$

素因数の和:1006

約数の個数: 48

約数和(自身を含む): 60641280

約数和(自身を除く): 35512820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 239, 478, 751, 956, 1195, 1502, 1673, 2390, 3004, 3346, 3755, 4780, 5257, 6692, 7510, 8365, 10514, 15020, 16730, 21028, 26285, 33460, 52570, 105140, 179489, 358978, 717956, 897445, 1256423, 1794890, 2512846, 3589780, 5025692, 6282115, 12564230, 25128460]

約数ペア:

[(1, 25128460), (2, 12564230), (4, 6282115), (5, 5025692), (7, 3589780), (10, 2512846), (14, 1794890), (20, 1256423), (28, 897445), (35, 717956), (70, 358978), (140, 179489), (239, 105140), (478, 52570), (751, 33460), (956, 26285), (1195, 21028), (1502, 16730), (1673, 15020), (2390, 10514), (3004, 8365), (3346, 7510), (3755, 6692), (4780, 5257)]