871573600

素因数分解:

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

素因数の和:2168

約数の個数: 72

約数和(自身を含む): 2131926048

約数和(自身を除く): 1260352448

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800, 821, 1327, 1642, 2654, 3284, 4105, 5308, 6568, 6635, 8210, 10616, 13136, 13270, 16420, 20525, 21232, 26272, 26540, 32840, 33175, 41050, 42464, 53080, 65680, 66350, 82100, 106160, 131360, 132700, 164200, 212320, 265400, 328400, 530800, 656800, 1061600, 1089467, 2178934, 4357868, 5447335, 8715736, 10894670, 17431472, 21789340, 27236675, 34862944, 43578680, 54473350, 87157360, 108946700, 174314720, 217893400, 435786800, 871573600]

約数ペア:

[(1, 871573600), (2, 435786800), (4, 217893400), (5, 174314720), (8, 108946700), (10, 87157360), (16, 54473350), (20, 43578680), (25, 34862944), (32, 27236675), (40, 21789340), (50, 17431472), (80, 10894670), (100, 8715736), (160, 5447335), (200, 4357868), (400, 2178934), (800, 1089467), (821, 1061600), (1327, 656800), (1642, 530800), (2654, 328400), (3284, 265400), (4105, 212320), (5308, 164200), (6568, 132700), (6635, 131360), (8210, 106160), (10616, 82100), (13136, 66350), (13270, 65680), (16420, 53080), (20525, 42464), (21232, 41050), (26272, 33175), (26540, 32840)]