187959920

素因数分解:

$2^4\times 5^1\times {\mathrm{2349499}}^1$

素因数の和:2349512

約数の個数: 20

約数和(自身を含む): 437007000

約数和(自身を除く): 249047080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2349499, 4698998, 9397996, 11747495, 18795992, 23494990, 37591984, 46989980, 93979960, 187959920]

約数ペア:

[(1, 187959920), (2, 93979960), (4, 46989980), (5, 37591984), (8, 23494990), (10, 18795992), (16, 11747495), (20, 9397996), (40, 4698998), (80, 2349499)]