20221027280

素因数分解:

$2^4\times 5^1\times {\mathrm{257}}^1\times {\mathrm{983513}}^1$

素因数の和:983783

約数の個数: 40

約数和(自身を含む): 47196869832

約数和(自身を除く): 26975842552

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 257, 514, 1028, 1285, 2056, 2570, 4112, 5140, 10280, 20560, 983513, 1967026, 3934052, 4917565, 7868104, 9835130, 15736208, 19670260, 39340520, 78681040, 252762841, 505525682, 1011051364, 1263814205, 2022102728, 2527628410, 4044205456, 5055256820, 10110513640, 20221027280]

約数ペア:

[(1, 20221027280), (2, 10110513640), (4, 5055256820), (5, 4044205456), (8, 2527628410), (10, 2022102728), (16, 1263814205), (20, 1011051364), (40, 505525682), (80, 252762841), (257, 78681040), (514, 39340520), (1028, 19670260), (1285, 15736208), (2056, 9835130), (2570, 7868104), (4112, 4917565), (5140, 3934052), (10280, 1967026), (20560, 983513)]