2080388540

素因数分解:

$2^2\times 5^1\times {\mathrm{947}}^1\times {\mathrm{109841}}^1$

素因数の和:110797

約数の個数: 24

約数和(自身を含む): 4373469072

約数和(自身を除く): 2293080532

約数列:

[1, 2, 4, 5, 10, 20, 947, 1894, 3788, 4735, 9470, 18940, 109841, 219682, 439364, 549205, 1098410, 2196820, 104019427, 208038854, 416077708, 520097135, 1040194270, 2080388540]

約数ペア:

[(1, 2080388540), (2, 1040194270), (4, 520097135), (5, 416077708), (10, 208038854), (20, 104019427), (947, 2196820), (1894, 1098410), (3788, 549205), (4735, 439364), (9470, 219682), (18940, 109841)]