31443980

素因数分解:

$2^2\times 5^1\times {\mathrm{313}}^1\times {\mathrm{5023}}^1$

素因数の和:5345

約数の個数: 24

約数和(自身を含む): 66256512

約数和(自身を除く): 34812532

約数列:

[1, 2, 4, 5, 10, 20, 313, 626, 1252, 1565, 3130, 5023, 6260, 10046, 20092, 25115, 50230, 100460, 1572199, 3144398, 6288796, 7860995, 15721990, 31443980]

約数ペア:

[(1, 31443980), (2, 15721990), (4, 7860995), (5, 6288796), (10, 3144398), (20, 1572199), (313, 100460), (626, 50230), (1252, 25115), (1565, 20092), (3130, 10046), (5023, 6260)]