85131920

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{62597}}^1$

素因数の和:62627

約数の個数: 40

約数和(自身を含む): 209578104

約数和(自身を除く): 124446184

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 62597, 125194, 250388, 312985, 500776, 625970, 1001552, 1064149, 1251940, 2128298, 2503880, 4256596, 5007760, 5320745, 8513192, 10641490, 17026384, 21282980, 42565960, 85131920]

約数ペア:

[(1, 85131920), (2, 42565960), (4, 21282980), (5, 17026384), (8, 10641490), (10, 8513192), (16, 5320745), (17, 5007760), (20, 4256596), (34, 2503880), (40, 2128298), (68, 1251940), (80, 1064149), (85, 1001552), (136, 625970), (170, 500776), (272, 312985), (340, 250388), (680, 125194), (1360, 62597)]