31171240

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{7283}}^1$

素因数の和:7401

約数の個数: 32

約数和(自身を含む): 70800480

約数和(自身を除く): 39629240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 535, 856, 1070, 2140, 4280, 7283, 14566, 29132, 36415, 58264, 72830, 145660, 291320, 779281, 1558562, 3117124, 3896405, 6234248, 7792810, 15585620, 31171240]

約数ペア:

[(1, 31171240), (2, 15585620), (4, 7792810), (5, 6234248), (8, 3896405), (10, 3117124), (20, 1558562), (40, 779281), (107, 291320), (214, 145660), (428, 72830), (535, 58264), (856, 36415), (1070, 29132), (2140, 14566), (4280, 7283)]