804928840

素因数分解:

$2^3\times 5^1\times {\mathrm{631}}^1\times {\mathrm{31891}}^1$

素因数の和:32533

約数の個数: 32

約数和(自身を含む): 1814016960

約数和(自身を除く): 1009088120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 631, 1262, 2524, 3155, 5048, 6310, 12620, 25240, 31891, 63782, 127564, 159455, 255128, 318910, 637820, 1275640, 20123221, 40246442, 80492884, 100616105, 160985768, 201232210, 402464420, 804928840]

約数ペア:

[(1, 804928840), (2, 402464420), (4, 201232210), (5, 160985768), (8, 100616105), (10, 80492884), (20, 40246442), (40, 20123221), (631, 1275640), (1262, 637820), (2524, 318910), (3155, 255128), (5048, 159455), (6310, 127564), (12620, 63782), (25240, 31891)]