80021426

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{137}}^1\times {\mathrm{809}}^1$

素因数の和:986

約数の個数: 24

約数和(自身を含む): 127764540

約数和(自身を除く): 47743114

約数列:

[1, 2, 19, 38, 137, 274, 361, 722, 809, 1618, 2603, 5206, 15371, 30742, 49457, 98914, 110833, 221666, 292049, 584098, 2105827, 4211654, 40010713, 80021426]

約数ペア:

[(1, 80021426), (2, 40010713), (19, 4211654), (38, 2105827), (137, 584098), (274, 292049), (361, 221666), (722, 110833), (809, 98914), (1618, 49457), (2603, 30742), (5206, 15371)]