40686620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{156487}}^1$

素因数の和:156509

約数の個数: 24

約数和(自身を含む): 92014944

約数和(自身を除く): 51328324

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 156487, 312974, 625948, 782435, 1564870, 2034331, 3129740, 4068662, 8137324, 10171655, 20343310, 40686620]

約数ペア:

[(1, 40686620), (2, 20343310), (4, 10171655), (5, 8137324), (10, 4068662), (13, 3129740), (20, 2034331), (26, 1564870), (52, 782435), (65, 625948), (130, 312974), (260, 156487)]