40881490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{2939}}^1$

素因数の和:3066

約数の個数: 32

約数和(自身を含む): 80015040

約数和(自身を除く): 39133550

約数列:

[1, 2, 5, 10, 13, 26, 65, 107, 130, 214, 535, 1070, 1391, 2782, 2939, 5878, 6955, 13910, 14695, 29390, 38207, 76414, 191035, 314473, 382070, 628946, 1572365, 3144730, 4088149, 8176298, 20440745, 40881490]

約数ペア:

[(1, 40881490), (2, 20440745), (5, 8176298), (10, 4088149), (13, 3144730), (26, 1572365), (65, 628946), (107, 382070), (130, 314473), (214, 191035), (535, 76414), (1070, 38207), (1391, 29390), (2782, 14695), (2939, 13910), (5878, 6955)]