86898640

素因数分解:

$2^4\times 5^1\times {\mathrm{223}}^1\times {\mathrm{4871}}^1$

素因数の和:5107

約数の個数: 40

約数和(自身を含む): 202987008

約数和(自身を除く): 116088368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 223, 446, 892, 1115, 1784, 2230, 3568, 4460, 4871, 8920, 9742, 17840, 19484, 24355, 38968, 48710, 77936, 97420, 194840, 389680, 1086233, 2172466, 4344932, 5431165, 8689864, 10862330, 17379728, 21724660, 43449320, 86898640]

約数ペア:

[(1, 86898640), (2, 43449320), (4, 21724660), (5, 17379728), (8, 10862330), (10, 8689864), (16, 5431165), (20, 4344932), (40, 2172466), (80, 1086233), (223, 389680), (446, 194840), (892, 97420), (1115, 77936), (1784, 48710), (2230, 38968), (3568, 24355), (4460, 19484), (4871, 17840), (8920, 9742)]