872516360

素因数分解:

$2^3\times 5^1\times {\mathrm{21812909}}^1$

素因数の和:21812920

約数の個数: 16

約数和(自身を含む): 1963161900

約数和(自身を除く): 1090645540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 21812909, 43625818, 87251636, 109064545, 174503272, 218129090, 436258180, 872516360]

約数ペア:

[(1, 872516360), (2, 436258180), (4, 218129090), (5, 174503272), (8, 109064545), (10, 87251636), (20, 43625818), (40, 21812909)]