12875440

素因数分解:

$2^4\times 5^1\times {\mathrm{227}}^1\times {\mathrm{709}}^1$

素因数の和:949

約数の個数: 40

約数和(自身を含む): 30109680

約数和(自身を除く): 17234240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 227, 454, 709, 908, 1135, 1418, 1816, 2270, 2836, 3545, 3632, 4540, 5672, 7090, 9080, 11344, 14180, 18160, 28360, 56720, 160943, 321886, 643772, 804715, 1287544, 1609430, 2575088, 3218860, 6437720, 12875440]

約数ペア:

[(1, 12875440), (2, 6437720), (4, 3218860), (5, 2575088), (8, 1609430), (10, 1287544), (16, 804715), (20, 643772), (40, 321886), (80, 160943), (227, 56720), (454, 28360), (709, 18160), (908, 14180), (1135, 11344), (1418, 9080), (1816, 7090), (2270, 5672), (2836, 4540), (3545, 3632)]