8216830

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^2\times {\mathrm{163}}^1$

素因数の和:312

約数の個数: 24

約数和(自身を含む): 15093576

約数和(自身を除く): 6876746

約数列:

[1, 2, 5, 10, 71, 142, 163, 326, 355, 710, 815, 1630, 5041, 10082, 11573, 23146, 25205, 50410, 57865, 115730, 821683, 1643366, 4108415, 8216830]

約数ペア:

[(1, 8216830), (2, 4108415), (5, 1643366), (10, 821683), (71, 115730), (142, 57865), (163, 50410), (326, 25205), (355, 23146), (710, 11573), (815, 10082), (1630, 5041)]