80802110

素因数分解:

$2^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{61681}}^1$

素因数の和:61819

約数の個数: 16

約数和(自身を含む): 146556432

約数和(自身を除く): 65754322

約数列:

[1, 2, 5, 10, 131, 262, 655, 1310, 61681, 123362, 308405, 616810, 8080211, 16160422, 40401055, 80802110]

約数ペア:

[(1, 80802110), (2, 40401055), (5, 16160422), (10, 8080211), (131, 616810), (262, 308405), (655, 123362), (1310, 61681)]