2018984560

素因数分解:

$2^4\times 5^1\times {\mathrm{113}}^1\times {\mathrm{223339}}^1$

素因数の和:223465

約数の個数: 40

約数和(自身を含む): 4735701360

約数和(自身を除く): 2716716800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 113, 226, 452, 565, 904, 1130, 1808, 2260, 4520, 9040, 223339, 446678, 893356, 1116695, 1786712, 2233390, 3573424, 4466780, 8933560, 17867120, 25237307, 50474614, 100949228, 126186535, 201898456, 252373070, 403796912, 504746140, 1009492280, 2018984560]

約数ペア:

[(1, 2018984560), (2, 1009492280), (4, 504746140), (5, 403796912), (8, 252373070), (10, 201898456), (16, 126186535), (20, 100949228), (40, 50474614), (80, 25237307), (113, 17867120), (226, 8933560), (452, 4466780), (565, 3573424), (904, 2233390), (1130, 1786712), (1808, 1116695), (2260, 893356), (4520, 446678), (9040, 223339)]