25242540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{1637}}^1$

素因数の和:1906

約数の個数: 48

約数和(自身を含む): 70997472

約数和(自身を除く): 45754932

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 257, 514, 771, 1028, 1285, 1542, 1637, 2570, 3084, 3274, 3855, 4911, 5140, 6548, 7710, 8185, 9822, 15420, 16370, 19644, 24555, 32740, 49110, 98220, 420709, 841418, 1262127, 1682836, 2103545, 2524254, 4207090, 5048508, 6310635, 8414180, 12621270, 25242540]

約数ペア:

[(1, 25242540), (2, 12621270), (3, 8414180), (4, 6310635), (5, 5048508), (6, 4207090), (10, 2524254), (12, 2103545), (15, 1682836), (20, 1262127), (30, 841418), (60, 420709), (257, 98220), (514, 49110), (771, 32740), (1028, 24555), (1285, 19644), (1542, 16370), (1637, 15420), (2570, 9822), (3084, 8185), (3274, 7710), (3855, 6548), (4911, 5140)]