54878980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{211073}}^1$

素因数の和:211095

約数の個数: 24

約数和(自身を含む): 124111512

約数和(自身を除く): 69232532

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 211073, 422146, 844292, 1055365, 2110730, 2743949, 4221460, 5487898, 10975796, 13719745, 27439490, 54878980]

約数ペア:

[(1, 54878980), (2, 27439490), (4, 13719745), (5, 10975796), (10, 5487898), (13, 4221460), (20, 2743949), (26, 2110730), (52, 1055365), (65, 844292), (130, 422146), (260, 211073)]