27721460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{106621}}^1$

素因数の和:106643

約数の個数: 24

約数和(自身を含む): 62693736

約数和(自身を除く): 34972276

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 106621, 213242, 426484, 533105, 1066210, 1386073, 2132420, 2772146, 5544292, 6930365, 13860730, 27721460]

約数ペア:

[(1, 27721460), (2, 13860730), (4, 6930365), (5, 5544292), (10, 2772146), (13, 2132420), (20, 1386073), (26, 1066210), (52, 533105), (65, 426484), (130, 213242), (260, 106621)]