38806480

素因数分解:

$2^4\times 5^1\times {\mathrm{485081}}^1$

素因数の和:485094

約数の個数: 20

約数和(自身を含む): 90225252

約数和(自身を除く): 51418772

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 485081, 970162, 1940324, 2425405, 3880648, 4850810, 7761296, 9701620, 19403240, 38806480]

約数ペア:

[(1, 38806480), (2, 19403240), (4, 9701620), (5, 7761296), (8, 4850810), (10, 3880648), (16, 2425405), (20, 1940324), (40, 970162), (80, 485081)]