84705680

素因数分解:

$2^4\times 5^1\times {\mathrm{1058821}}^1$

素因数の和:1058834

約数の個数: 20

約数和(自身を含む): 196940892

約数和(自身を除く): 112235212

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1058821, 2117642, 4235284, 5294105, 8470568, 10588210, 16941136, 21176420, 42352840, 84705680]

約数ペア:

[(1, 84705680), (2, 42352840), (4, 21176420), (5, 16941136), (8, 10588210), (10, 8470568), (16, 5294105), (20, 4235284), (40, 2117642), (80, 1058821)]