40124590

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{499}}^1$

素因数の和:577

約数の個数: 64

約数和(自身を含む): 85536000

約数和(自身を除く): 45411410

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 43, 55, 85, 86, 110, 170, 187, 215, 374, 430, 473, 499, 731, 935, 946, 998, 1462, 1870, 2365, 2495, 3655, 4730, 4990, 5489, 7310, 8041, 8483, 10978, 16082, 16966, 21457, 27445, 40205, 42415, 42914, 54890, 80410, 84830, 93313, 107285, 186626, 214570, 236027, 364769, 466565, 472054, 729538, 933130, 1180135, 1823845, 2360270, 3647690, 4012459, 8024918, 20062295, 40124590]

約数ペア:

[(1, 40124590), (2, 20062295), (5, 8024918), (10, 4012459), (11, 3647690), (17, 2360270), (22, 1823845), (34, 1180135), (43, 933130), (55, 729538), (85, 472054), (86, 466565), (110, 364769), (170, 236027), (187, 214570), (215, 186626), (374, 107285), (430, 93313), (473, 84830), (499, 80410), (731, 54890), (935, 42914), (946, 42415), (998, 40205), (1462, 27445), (1870, 21457), (2365, 16966), (2495, 16082), (3655, 10978), (4730, 8483), (4990, 8041), (5489, 7310)]