804916220

素因数分解:

$2^2\times 5^1\times {\mathrm{631}}^1\times {\mathrm{63781}}^1$

素因数の和:64421

約数の個数: 24

約数和(自身を含む): 1693029408

約数和(自身を除く): 888113188

約数列:

[1, 2, 4, 5, 10, 20, 631, 1262, 2524, 3155, 6310, 12620, 63781, 127562, 255124, 318905, 637810, 1275620, 40245811, 80491622, 160983244, 201229055, 402458110, 804916220]

約数ペア:

[(1, 804916220), (2, 402458110), (4, 201229055), (5, 160983244), (10, 80491622), (20, 40245811), (631, 1275620), (1262, 637810), (2524, 318905), (3155, 255124), (6310, 127562), (12620, 63781)]