8269460

素因数分解:

$2^2\times 5^1\times {\mathrm{313}}^1\times {\mathrm{1321}}^1$

素因数の和:1643

約数の個数: 24

約数和(自身を含む): 17434536

約数和(自身を除く): 9165076

約数列:

[1, 2, 4, 5, 10, 20, 313, 626, 1252, 1321, 1565, 2642, 3130, 5284, 6260, 6605, 13210, 26420, 413473, 826946, 1653892, 2067365, 4134730, 8269460]

約数ペア:

[(1, 8269460), (2, 4134730), (4, 2067365), (5, 1653892), (10, 826946), (20, 413473), (313, 26420), (626, 13210), (1252, 6605), (1321, 6260), (1565, 5284), (2642, 3130)]