220100240

素因数分解:

$2^4\times 5^1\times {\mathrm{2751253}}^1$

素因数の和:2751266

約数の個数: 20

約数和(自身を含む): 511733244

約数和(自身を除く): 291633004

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2751253, 5502506, 11005012, 13756265, 22010024, 27512530, 44020048, 55025060, 110050120, 220100240]

約数ペア:

[(1, 220100240), (2, 110050120), (4, 55025060), (5, 44020048), (8, 27512530), (10, 22010024), (16, 13756265), (20, 11005012), (40, 5502506), (80, 2751253)]