25198928

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{359}}^1$

素因数の和:515

約数の個数: 40

約数和(自身を含む): 50621760

約数和(自身を除く): 25422832

約数列:

[1, 2, 4, 8, 16, 41, 82, 107, 164, 214, 328, 359, 428, 656, 718, 856, 1436, 1712, 2872, 4387, 5744, 8774, 14719, 17548, 29438, 35096, 38413, 58876, 70192, 76826, 117752, 153652, 235504, 307304, 614608, 1574933, 3149866, 6299732, 12599464, 25198928]

約数ペア:

[(1, 25198928), (2, 12599464), (4, 6299732), (8, 3149866), (16, 1574933), (41, 614608), (82, 307304), (107, 235504), (164, 153652), (214, 117752), (328, 76826), (359, 70192), (428, 58876), (656, 38413), (718, 35096), (856, 29438), (1436, 17548), (1712, 14719), (2872, 8774), (4387, 5744)]