81043240

素因数分解:

$2^3\times 5^1\times {\mathrm{2026081}}^1$

素因数の和:2026092

約数の個数: 16

約数和(自身を含む): 182347380

約数和(自身を除く): 101304140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2026081, 4052162, 8104324, 10130405, 16208648, 20260810, 40521620, 81043240]

約数ペア:

[(1, 81043240), (2, 40521620), (4, 20260810), (5, 16208648), (8, 10130405), (10, 8104324), (20, 4052162), (40, 2026081)]