40917890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{1931}}^1$

素因数の和:2114

約数の個数: 32

約数和(自身を含む): 79845696

約数和(自身を除く): 38927806

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 163, 326, 815, 1630, 1931, 2119, 3862, 4238, 9655, 10595, 19310, 21190, 25103, 50206, 125515, 251030, 314753, 629506, 1573765, 3147530, 4091789, 8183578, 20458945, 40917890]

約数ペア:

[(1, 40917890), (2, 20458945), (5, 8183578), (10, 4091789), (13, 3147530), (26, 1573765), (65, 629506), (130, 314753), (163, 251030), (326, 125515), (815, 50206), (1630, 25103), (1931, 21190), (2119, 19310), (3862, 10595), (4238, 9655)]