826378460

素因数分解:

$2^2\times 5^1\times {\mathrm{2213}}^1\times {\mathrm{18671}}^1$

素因数の和:20893

約数の個数: 24

約数和(自身を含む): 1736271936

約数和(自身を除く): 909893476

約数列:

[1, 2, 4, 5, 10, 20, 2213, 4426, 8852, 11065, 18671, 22130, 37342, 44260, 74684, 93355, 186710, 373420, 41318923, 82637846, 165275692, 206594615, 413189230, 826378460]

約数ペア:

[(1, 826378460), (2, 413189230), (4, 206594615), (5, 165275692), (10, 82637846), (20, 41318923), (2213, 373420), (4426, 186710), (8852, 93355), (11065, 74684), (18671, 44260), (22130, 37342)]