81037160

素因数分解:

$2^3\times 5^1\times {\mathrm{2025929}}^1$

素因数の和:2025940

約数の個数: 16

約数和(自身を含む): 182333700

約数和(自身を除く): 101296540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2025929, 4051858, 8103716, 10129645, 16207432, 20259290, 40518580, 81037160]

約数ペア:

[(1, 81037160), (2, 40518580), (4, 20259290), (5, 16207432), (8, 10129645), (10, 8103716), (20, 4051858), (40, 2025929)]