40975990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{8663}}^1$

素因数の和:8724

約数の個数: 32

約数和(自身を含む): 82342656

約数和(自身を除く): 41366666

約数列:

[1, 2, 5, 10, 11, 22, 43, 55, 86, 110, 215, 430, 473, 946, 2365, 4730, 8663, 17326, 43315, 86630, 95293, 190586, 372509, 476465, 745018, 952930, 1862545, 3725090, 4097599, 8195198, 20487995, 40975990]

約数ペア:

[(1, 40975990), (2, 20487995), (5, 8195198), (10, 4097599), (11, 3725090), (22, 1862545), (43, 952930), (55, 745018), (86, 476465), (110, 372509), (215, 190586), (430, 95293), (473, 86630), (946, 43315), (2365, 17326), (4730, 8663)]