61581640

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{14947}}^1$

素因数の和:15061

約数の個数: 32

約数和(自身を含む): 139913280

約数和(自身を除く): 78331640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 14947, 29894, 59788, 74735, 119576, 149470, 298940, 597880, 1539541, 3079082, 6158164, 7697705, 12316328, 15395410, 30790820, 61581640]

約数ペア:

[(1, 61581640), (2, 30790820), (4, 15395410), (5, 12316328), (8, 7697705), (10, 6158164), (20, 3079082), (40, 1539541), (103, 597880), (206, 298940), (412, 149470), (515, 119576), (824, 74735), (1030, 59788), (2060, 29894), (4120, 14947)]