2691567280

素因数分解:

$2^4\times 5^1\times {\mathrm{33644591}}^1$

素因数の和:33644604

約数の個数: 20

約数和(自身を含む): 6257894112

約数和(自身を除く): 3566326832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 33644591, 67289182, 134578364, 168222955, 269156728, 336445910, 538313456, 672891820, 1345783640, 2691567280]

約数ペア:

[(1, 2691567280), (2, 1345783640), (4, 672891820), (5, 538313456), (8, 336445910), (10, 269156728), (16, 168222955), (20, 134578364), (40, 67289182), (80, 33644591)]