201591620

素因数分解:

$2^2\times 5^1\times {\mathrm{2503}}^1\times {\mathrm{4027}}^1$

素因数の和:6539

約数の個数: 24

約数和(自身を含む): 423616704

約数和(自身を除く): 222025084

約数列:

[1, 2, 4, 5, 10, 20, 2503, 4027, 5006, 8054, 10012, 12515, 16108, 20135, 25030, 40270, 50060, 80540, 10079581, 20159162, 40318324, 50397905, 100795810, 201591620]

約数ペア:

[(1, 201591620), (2, 100795810), (4, 50397905), (5, 40318324), (10, 20159162), (20, 10079581), (2503, 80540), (4027, 50060), (5006, 40270), (8054, 25030), (10012, 20135), (12515, 16108)]