78145780

素因数分解:

$2^2\times 5^1\times {\mathrm{769}}^1\times {\mathrm{5081}}^1$

素因数の和:5859

約数の個数: 24

約数和(自身を含む): 164351880

約数和(自身を除く): 86206100

約数列:

[1, 2, 4, 5, 10, 20, 769, 1538, 3076, 3845, 5081, 7690, 10162, 15380, 20324, 25405, 50810, 101620, 3907289, 7814578, 15629156, 19536445, 39072890, 78145780]

約数ペア:

[(1, 78145780), (2, 39072890), (4, 19536445), (5, 15629156), (10, 7814578), (20, 3907289), (769, 101620), (1538, 50810), (3076, 25405), (3845, 20324), (5081, 15380), (7690, 10162)]