27778460

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{8521}}^1$

素因数の和:8693

約数の個数: 24

約数和(自身を含む): 58699536

約数和(自身を除く): 30921076

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3260, 8521, 17042, 34084, 42605, 85210, 170420, 1388923, 2777846, 5555692, 6944615, 13889230, 27778460]

約数ペア:

[(1, 27778460), (2, 13889230), (4, 6944615), (5, 5555692), (10, 2777846), (20, 1388923), (163, 170420), (326, 85210), (652, 42605), (815, 34084), (1630, 17042), (3260, 8521)]