2687920

素因数分解:

$2^4\times 5^1\times {\mathrm{33599}}^1$

素因数の和:33612

約数の個数: 20

約数和(自身を含む): 6249600

約数和(自身を除く): 3561680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 33599, 67198, 134396, 167995, 268792, 335990, 537584, 671980, 1343960, 2687920]

約数ペア:

[(1, 2687920), (2, 1343960), (4, 671980), (5, 537584), (8, 335990), (10, 268792), (16, 167995), (20, 134396), (40, 67198), (80, 33599)]