7998040

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{3389}}^1$

素因数の和:3459

約数の個数: 32

約数和(自身を含む): 18306000

約数和(自身を除く): 10307960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 118, 236, 295, 472, 590, 1180, 2360, 3389, 6778, 13556, 16945, 27112, 33890, 67780, 135560, 199951, 399902, 799804, 999755, 1599608, 1999510, 3999020, 7998040]

約数ペア:

[(1, 7998040), (2, 3999020), (4, 1999510), (5, 1599608), (8, 999755), (10, 799804), (20, 399902), (40, 199951), (59, 135560), (118, 67780), (236, 33890), (295, 27112), (472, 16945), (590, 13556), (1180, 6778), (2360, 3389)]