200127920

素因数分解:

$2^4\times 5^1\times {\mathrm{2501599}}^1$

素因数の和:2501612

約数の個数: 20

約数和(自身を含む): 465297600

約数和(自身を除く): 265169680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2501599, 5003198, 10006396, 12507995, 20012792, 25015990, 40025584, 50031980, 100063960, 200127920]

約数ペア:

[(1, 200127920), (2, 100063960), (4, 50031980), (5, 40025584), (8, 25015990), (10, 20012792), (16, 12507995), (20, 10006396), (40, 5003198), (80, 2501599)]