28313980

素因数分解:

$2^2\times 5^1\times {\mathrm{313}}^1\times {\mathrm{4523}}^1$

素因数の和:4845

約数の個数: 24

約数和(自身を含む): 59662512

約数和(自身を除く): 31348532

約数列:

[1, 2, 4, 5, 10, 20, 313, 626, 1252, 1565, 3130, 4523, 6260, 9046, 18092, 22615, 45230, 90460, 1415699, 2831398, 5662796, 7078495, 14156990, 28313980]

約数ペア:

[(1, 28313980), (2, 14156990), (4, 7078495), (5, 5662796), (10, 2831398), (20, 1415699), (313, 90460), (626, 45230), (1252, 22615), (1565, 18092), (3130, 9046), (4523, 6260)]