85405960

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{125597}}^1$

素因数の和:125625

約数の個数: 32

約数和(自身を含む): 203468760

約数和(自身を除く): 118062800

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 125597, 251194, 502388, 627985, 1004776, 1255970, 2135149, 2511940, 4270298, 5023880, 8540596, 10675745, 17081192, 21351490, 42702980, 85405960]

約数ペア:

[(1, 85405960), (2, 42702980), (4, 21351490), (5, 17081192), (8, 10675745), (10, 8540596), (17, 5023880), (20, 4270298), (34, 2511940), (40, 2135149), (68, 1255970), (85, 1004776), (136, 627985), (170, 502388), (340, 251194), (680, 125597)]