30447920

素因数分解:

$2^4\times 5^1\times {\mathrm{107}}^1\times {\mathrm{3557}}^1$

素因数の和:3677

約数の個数: 40

約数和(自身を含む): 71473104

約数和(自身を除く): 41025184

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 107, 214, 428, 535, 856, 1070, 1712, 2140, 3557, 4280, 7114, 8560, 14228, 17785, 28456, 35570, 56912, 71140, 142280, 284560, 380599, 761198, 1522396, 1902995, 3044792, 3805990, 6089584, 7611980, 15223960, 30447920]

約数ペア:

[(1, 30447920), (2, 15223960), (4, 7611980), (5, 6089584), (8, 3805990), (10, 3044792), (16, 1902995), (20, 1522396), (40, 761198), (80, 380599), (107, 284560), (214, 142280), (428, 71140), (535, 56912), (856, 35570), (1070, 28456), (1712, 17785), (2140, 14228), (3557, 8560), (4280, 7114)]