80100500

素因数分解:

$2^2\times 5^3\times {\mathrm{160201}}^1$

素因数の和:160220

約数の個数: 24

約数和(自身を含む): 174940584

約数和(自身を除く): 94840084

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 160201, 320402, 640804, 801005, 1602010, 3204020, 4005025, 8010050, 16020100, 20025125, 40050250, 80100500]

約数ペア:

[(1, 80100500), (2, 40050250), (4, 20025125), (5, 16020100), (10, 8010050), (20, 4005025), (25, 3204020), (50, 1602010), (100, 801005), (125, 640804), (250, 320402), (500, 160201)]