25289340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{521}}^1\times {\mathrm{809}}^1$

素因数の和:1342

約数の個数: 48

約数和(自身を含む): 71033760

約数和(自身を除く): 45744420

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 521, 809, 1042, 1563, 1618, 2084, 2427, 2605, 3126, 3236, 4045, 4854, 5210, 6252, 7815, 8090, 9708, 10420, 12135, 15630, 16180, 24270, 31260, 48540, 421489, 842978, 1264467, 1685956, 2107445, 2528934, 4214890, 5057868, 6322335, 8429780, 12644670, 25289340]

約数ペア:

[(1, 25289340), (2, 12644670), (3, 8429780), (4, 6322335), (5, 5057868), (6, 4214890), (10, 2528934), (12, 2107445), (15, 1685956), (20, 1264467), (30, 842978), (60, 421489), (521, 48540), (809, 31260), (1042, 24270), (1563, 16180), (1618, 15630), (2084, 12135), (2427, 10420), (2605, 9708), (3126, 8090), (3236, 7815), (4045, 6252), (4854, 5210)]