131163980

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{92369}}^1$

素因数の和:92449

約数の個数: 24

約数和(自身を含む): 279326880

約数和(自身を除く): 148162900

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 92369, 184738, 369476, 461845, 923690, 1847380, 6558199, 13116398, 26232796, 32790995, 65581990, 131163980]

約数ペア:

[(1, 131163980), (2, 65581990), (4, 32790995), (5, 26232796), (10, 13116398), (20, 6558199), (71, 1847380), (142, 923690), (284, 461845), (355, 369476), (710, 184738), (1420, 92369)]