108272840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{208217}}^1$

素因数の和:208241

約数の個数: 32

約数和(自身を含む): 262354680

約数和(自身を除く): 154081840

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 208217, 416434, 832868, 1041085, 1665736, 2082170, 2706821, 4164340, 5413642, 8328680, 10827284, 13534105, 21654568, 27068210, 54136420, 108272840]

約数ペア:

[(1, 108272840), (2, 54136420), (4, 27068210), (5, 21654568), (8, 13534105), (10, 10827284), (13, 8328680), (20, 5413642), (26, 4164340), (40, 2706821), (52, 2082170), (65, 1665736), (104, 1041085), (130, 832868), (260, 416434), (520, 208217)]