56272840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{108217}}^1$

素因数の和:108241

約数の個数: 32

約数和(自身を含む): 136354680

約数和(自身を除く): 80081840

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 108217, 216434, 432868, 541085, 865736, 1082170, 1406821, 2164340, 2813642, 4328680, 5627284, 7034105, 11254568, 14068210, 28136420, 56272840]

約数ペア:

[(1, 56272840), (2, 28136420), (4, 14068210), (5, 11254568), (8, 7034105), (10, 5627284), (13, 4328680), (20, 2813642), (26, 2164340), (40, 1406821), (52, 1082170), (65, 865736), (104, 541085), (130, 432868), (260, 216434), (520, 108217)]