81024920

素因数分解:

$2^3\times 5^1\times {\mathrm{2025623}}^1$

素因数の和:2025634

約数の個数: 16

約数和(自身を含む): 182306160

約数和(自身を除く): 101281240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2025623, 4051246, 8102492, 10128115, 16204984, 20256230, 40512460, 81024920]

約数ペア:

[(1, 81024920), (2, 40512460), (4, 20256230), (5, 16204984), (8, 10128115), (10, 8102492), (20, 4051246), (40, 2025623)]