7321960

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{1123}}^1$

素因数の和:1297

約数の個数: 32

約数和(自身を含む): 16590240

約数和(自身を除く): 9268280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1123, 1304, 1630, 2246, 3260, 4492, 5615, 6520, 8984, 11230, 22460, 44920, 183049, 366098, 732196, 915245, 1464392, 1830490, 3660980, 7321960]

約数ペア:

[(1, 7321960), (2, 3660980), (4, 1830490), (5, 1464392), (8, 915245), (10, 732196), (20, 366098), (40, 183049), (163, 44920), (326, 22460), (652, 11230), (815, 8984), (1123, 6520), (1304, 5615), (1630, 4492), (2246, 3260)]