15599740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59999}}^1$

素因数の和:60021

約数の個数: 24

約数和(自身を含む): 35280000

約数和(自身を除く): 19680260

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 59999, 119998, 239996, 299995, 599990, 779987, 1199980, 1559974, 3119948, 3899935, 7799870, 15599740]

約数ペア:

[(1, 15599740), (2, 7799870), (4, 3899935), (5, 3119948), (10, 1559974), (13, 1199980), (20, 779987), (26, 599990), (52, 299995), (65, 239996), (130, 119998), (260, 59999)]