56687920

素因数分解:

$2^4\times 5^1\times {\mathrm{708599}}^1$

素因数の和:708612

約数の個数: 20

約数和(自身を含む): 131799600

約数和(自身を除く): 75111680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 708599, 1417198, 2834396, 3542995, 5668792, 7085990, 11337584, 14171980, 28343960, 56687920]

約数ペア:

[(1, 56687920), (2, 28343960), (4, 14171980), (5, 11337584), (8, 7085990), (10, 5668792), (16, 3542995), (20, 2834396), (40, 1417198), (80, 708599)]