90840010

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{13033}}^1$

素因数の和:13098

約数の個数: 32

約数和(自身を含む): 177366672

約数和(自身を除く): 86526662

約数列:

[1, 2, 5, 10, 17, 34, 41, 82, 85, 170, 205, 410, 697, 1394, 3485, 6970, 13033, 26066, 65165, 130330, 221561, 443122, 534353, 1068706, 1107805, 2215610, 2671765, 5343530, 9084001, 18168002, 45420005, 90840010]

約数ペア:

[(1, 90840010), (2, 45420005), (5, 18168002), (10, 9084001), (17, 5343530), (34, 2671765), (41, 2215610), (82, 1107805), (85, 1068706), (170, 534353), (205, 443122), (410, 221561), (697, 130330), (1394, 65165), (3485, 26066), (6970, 13033)]