40811980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{3947}}^1$

素因数の和:4014

約数の個数: 48

約数和(自身を含む): 95510016

約数和(自身を除く): 54698036

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 47, 55, 94, 110, 188, 220, 235, 470, 517, 940, 1034, 2068, 2585, 3947, 5170, 7894, 10340, 15788, 19735, 39470, 43417, 78940, 86834, 173668, 185509, 217085, 371018, 434170, 742036, 868340, 927545, 1855090, 2040599, 3710180, 4081198, 8162396, 10202995, 20405990, 40811980]

約数ペア:

[(1, 40811980), (2, 20405990), (4, 10202995), (5, 8162396), (10, 4081198), (11, 3710180), (20, 2040599), (22, 1855090), (44, 927545), (47, 868340), (55, 742036), (94, 434170), (110, 371018), (188, 217085), (220, 185509), (235, 173668), (470, 86834), (517, 78940), (940, 43417), (1034, 39470), (2068, 19735), (2585, 15788), (3947, 10340), (5170, 7894)]