91011880

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{7873}}^1$

素因数の和:7918

約数の個数: 48

約数和(自身を含む): 217558620

約数和(自身を除く): 126546740

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 289, 340, 578, 680, 1156, 1445, 2312, 2890, 5780, 7873, 11560, 15746, 31492, 39365, 62984, 78730, 133841, 157460, 267682, 314920, 535364, 669205, 1070728, 1338410, 2275297, 2676820, 4550594, 5353640, 9101188, 11376485, 18202376, 22752970, 45505940, 91011880]

約数ペア:

[(1, 91011880), (2, 45505940), (4, 22752970), (5, 18202376), (8, 11376485), (10, 9101188), (17, 5353640), (20, 4550594), (34, 2676820), (40, 2275297), (68, 1338410), (85, 1070728), (136, 669205), (170, 535364), (289, 314920), (340, 267682), (578, 157460), (680, 133841), (1156, 78730), (1445, 62984), (2312, 39365), (2890, 31492), (5780, 15746), (7873, 11560)]