15977960

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23497}}^1$

素因数の和:23525

約数の個数: 32

約数和(自身を含む): 38066760

約数和(自身を除く): 22088800

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 23497, 46994, 93988, 117485, 187976, 234970, 399449, 469940, 798898, 939880, 1597796, 1997245, 3195592, 3994490, 7988980, 15977960]

約数ペア:

[(1, 15977960), (2, 7988980), (4, 3994490), (5, 3195592), (8, 1997245), (10, 1597796), (17, 939880), (20, 798898), (34, 469940), (40, 399449), (68, 234970), (85, 187976), (136, 117485), (170, 93988), (340, 46994), (680, 23497)]