788470090

素因数分解:

$2^1\times 5^1\times {\mathrm{2081}}^1\times {\mathrm{37889}}^1$

素因数の和:39977

約数の個数: 16

約数和(自身を含む): 1419965640

約数和(自身を除く): 631495550

約数列:

[1, 2, 5, 10, 2081, 4162, 10405, 20810, 37889, 75778, 189445, 378890, 78847009, 157694018, 394235045, 788470090]

約数ペア:

[(1, 788470090), (2, 394235045), (5, 157694018), (10, 78847009), (2081, 378890), (4162, 189445), (10405, 75778), (20810, 37889)]