39945580

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{6911}}^1$

素因数の和:6954

約数の個数: 36

約数和(自身を含む): 89123328

約数和(自身を除く): 49177748

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 289, 340, 578, 1156, 1445, 2890, 5780, 6911, 13822, 27644, 34555, 69110, 117487, 138220, 234974, 469948, 587435, 1174870, 1997279, 2349740, 3994558, 7989116, 9986395, 19972790, 39945580]

約数ペア:

[(1, 39945580), (2, 19972790), (4, 9986395), (5, 7989116), (10, 3994558), (17, 2349740), (20, 1997279), (34, 1174870), (68, 587435), (85, 469948), (170, 234974), (289, 138220), (340, 117487), (578, 69110), (1156, 34555), (1445, 27644), (2890, 13822), (5780, 6911)]