42158800

素因数分解:

$2^4\times 5^2\times {\mathrm{105397}}^1$

素因数の和:105415

約数の個数: 30

約数和(自身を含む): 101287478

約数和(自身を除く): 59128678

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 105397, 210794, 421588, 526985, 843176, 1053970, 1686352, 2107940, 2634925, 4215880, 5269850, 8431760, 10539700, 21079400, 42158800]

約数ペア:

[(1, 42158800), (2, 21079400), (4, 10539700), (5, 8431760), (8, 5269850), (10, 4215880), (16, 2634925), (20, 2107940), (25, 1686352), (40, 1053970), (50, 843176), (80, 526985), (100, 421588), (200, 210794), (400, 105397)]