40981840

素因数分解:

$2^4\times 5^1\times {\mathrm{229}}^1\times {\mathrm{2237}}^1$

素因数の和:2479

約数の個数: 40

約数和(自身を含む): 95741640

約数和(自身を除く): 54759800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 229, 458, 916, 1145, 1832, 2237, 2290, 3664, 4474, 4580, 8948, 9160, 11185, 17896, 18320, 22370, 35792, 44740, 89480, 178960, 512273, 1024546, 2049092, 2561365, 4098184, 5122730, 8196368, 10245460, 20490920, 40981840]

約数ペア:

[(1, 40981840), (2, 20490920), (4, 10245460), (5, 8196368), (8, 5122730), (10, 4098184), (16, 2561365), (20, 2049092), (40, 1024546), (80, 512273), (229, 178960), (458, 89480), (916, 44740), (1145, 35792), (1832, 22370), (2237, 18320), (2290, 17896), (3664, 11185), (4474, 9160), (4580, 8948)]