31532440

素因数分解:

$2^3\times 5^1\times {\mathrm{241}}^1\times {\mathrm{3271}}^1$

素因数の和:3523

約数の個数: 32

約数和(自身を含む): 71264160

約数和(自身を除く): 39731720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 241, 482, 964, 1205, 1928, 2410, 3271, 4820, 6542, 9640, 13084, 16355, 26168, 32710, 65420, 130840, 788311, 1576622, 3153244, 3941555, 6306488, 7883110, 15766220, 31532440]

約数ペア:

[(1, 31532440), (2, 15766220), (4, 7883110), (5, 6306488), (8, 3941555), (10, 3153244), (20, 1576622), (40, 788311), (241, 130840), (482, 65420), (964, 32710), (1205, 26168), (1928, 16355), (2410, 13084), (3271, 9640), (4820, 6542)]