202119640

素因数分解:

$2^3\times 5^1\times {\mathrm{179}}^1\times {\mathrm{28229}}^1$

素因数の和:28419

約数の個数: 32

約数和(自身を含む): 457326000

約数和(自身を除く): 255206360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 179, 358, 716, 895, 1432, 1790, 3580, 7160, 28229, 56458, 112916, 141145, 225832, 282290, 564580, 1129160, 5052991, 10105982, 20211964, 25264955, 40423928, 50529910, 101059820, 202119640]

約数ペア:

[(1, 202119640), (2, 101059820), (4, 50529910), (5, 40423928), (8, 25264955), (10, 20211964), (20, 10105982), (40, 5052991), (179, 1129160), (358, 564580), (716, 282290), (895, 225832), (1432, 141145), (1790, 112916), (3580, 56458), (7160, 28229)]