87157360

素因数分解:

$2^4\times 5^1\times {\mathrm{821}}^1\times {\mathrm{1327}}^1$

素因数の和:2161

約数の個数: 40

約数和(自身を含む): 203040576

約数和(自身を除く): 115883216

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 821, 1327, 1642, 2654, 3284, 4105, 5308, 6568, 6635, 8210, 10616, 13136, 13270, 16420, 21232, 26540, 32840, 53080, 65680, 106160, 1089467, 2178934, 4357868, 5447335, 8715736, 10894670, 17431472, 21789340, 43578680, 87157360]

約数ペア:

[(1, 87157360), (2, 43578680), (4, 21789340), (5, 17431472), (8, 10894670), (10, 8715736), (16, 5447335), (20, 4357868), (40, 2178934), (80, 1089467), (821, 106160), (1327, 65680), (1642, 53080), (2654, 32840), (3284, 26540), (4105, 21232), (5308, 16420), (6568, 13270), (6635, 13136), (8210, 10616)]