86580980

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1\times {\mathrm{383}}^1$

素因数の和:608

約数の個数: 48

約数和(自身を含む): 185794560

約数和(自身を除く): 99213580

約数列:

[1, 2, 4, 5, 10, 20, 89, 127, 178, 254, 356, 383, 445, 508, 635, 766, 890, 1270, 1532, 1780, 1915, 2540, 3830, 7660, 11303, 22606, 34087, 45212, 48641, 56515, 68174, 97282, 113030, 136348, 170435, 194564, 226060, 243205, 340870, 486410, 681740, 972820, 4329049, 8658098, 17316196, 21645245, 43290490, 86580980]

約数ペア:

[(1, 86580980), (2, 43290490), (4, 21645245), (5, 17316196), (10, 8658098), (20, 4329049), (89, 972820), (127, 681740), (178, 486410), (254, 340870), (356, 243205), (383, 226060), (445, 194564), (508, 170435), (635, 136348), (766, 113030), (890, 97282), (1270, 68174), (1532, 56515), (1780, 48641), (1915, 45212), (2540, 34087), (3830, 22606), (7660, 11303)]