72528440

素因数分解:

$2^3\times 5^1\times {\mathrm{1813211}}^1$

素因数の和:1813222

約数の個数: 16

約数和(自身を含む): 163189080

約数和(自身を除く): 90660640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1813211, 3626422, 7252844, 9066055, 14505688, 18132110, 36264220, 72528440]

約数ペア:

[(1, 72528440), (2, 36264220), (4, 18132110), (5, 14505688), (8, 9066055), (10, 7252844), (20, 3626422), (40, 1813211)]