13487960

素因数分解:

$2^3\times 5^1\times {\mathrm{449}}^1\times {\mathrm{751}}^1$

素因数の和:1211

約数の個数: 32

約数和(自身を含む): 30456000

約数和(自身を除く): 16968040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 449, 751, 898, 1502, 1796, 2245, 3004, 3592, 3755, 4490, 6008, 7510, 8980, 15020, 17960, 30040, 337199, 674398, 1348796, 1685995, 2697592, 3371990, 6743980, 13487960]

約数ペア:

[(1, 13487960), (2, 6743980), (4, 3371990), (5, 2697592), (8, 1685995), (10, 1348796), (20, 674398), (40, 337199), (449, 30040), (751, 17960), (898, 15020), (1502, 8980), (1796, 7510), (2245, 6008), (3004, 4490), (3592, 3755)]