161036780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{423781}}^1$

素因数の和:423809

約数の個数: 24

約数和(自身を含む): 355976880

約数和(自身を除く): 194940100

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 423781, 847562, 1695124, 2118905, 4237810, 8051839, 8475620, 16103678, 32207356, 40259195, 80518390, 161036780]

約数ペア:

[(1, 161036780), (2, 80518390), (4, 40259195), (5, 32207356), (10, 16103678), (19, 8475620), (20, 8051839), (38, 4237810), (76, 2118905), (95, 1695124), (190, 847562), (380, 423781)]