80881400

素因数分解:

$2^3\times 5^2\times {\mathrm{283}}^1\times {\mathrm{1429}}^1$

素因数の和:1728

約数の個数: 48

約数和(自身を含む): 188845800

約数和(自身を除く): 107964400

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 283, 566, 1132, 1415, 1429, 2264, 2830, 2858, 5660, 5716, 7075, 7145, 11320, 11432, 14150, 14290, 28300, 28580, 35725, 56600, 57160, 71450, 142900, 285800, 404407, 808814, 1617628, 2022035, 3235256, 4044070, 8088140, 10110175, 16176280, 20220350, 40440700, 80881400]

約数ペア:

[(1, 80881400), (2, 40440700), (4, 20220350), (5, 16176280), (8, 10110175), (10, 8088140), (20, 4044070), (25, 3235256), (40, 2022035), (50, 1617628), (100, 808814), (200, 404407), (283, 285800), (566, 142900), (1132, 71450), (1415, 57160), (1429, 56600), (2264, 35725), (2830, 28580), (2858, 28300), (5660, 14290), (5716, 14150), (7075, 11432), (7145, 11320)]