15679040420

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{19120781}}^1$

素因数の和:19120831

約数の個数: 24

約数和(自身を含む): 33729059448

約数和(自身を除く): 18050019028

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 19120781, 38241562, 76483124, 95603905, 191207810, 382415620, 783952021, 1567904042, 3135808084, 3919760105, 7839520210, 15679040420]

約数ペア:

[(1, 15679040420), (2, 7839520210), (4, 3919760105), (5, 3135808084), (10, 1567904042), (20, 783952021), (41, 382415620), (82, 191207810), (164, 95603905), (205, 76483124), (410, 38241562), (820, 19120781)]