1640089790

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{235307}}^1$

素因数の和:235372

約数の個数: 32

約数和(自身を含む): 3202071264

約数和(自身を除く): 1561981474

約数列:

[1, 2, 5, 10, 17, 34, 41, 82, 85, 170, 205, 410, 697, 1394, 3485, 6970, 235307, 470614, 1176535, 2353070, 4000219, 8000438, 9647587, 19295174, 20001095, 40002190, 48237935, 96475870, 164008979, 328017958, 820044895, 1640089790]

約数ペア:

[(1, 1640089790), (2, 820044895), (5, 328017958), (10, 164008979), (17, 96475870), (34, 48237935), (41, 40002190), (82, 20001095), (85, 19295174), (170, 9647587), (205, 8000438), (410, 4000219), (697, 2353070), (1394, 1176535), (3485, 470614), (6970, 235307)]