12702920

素因数分解:

$2^3\times 5^1\times {\mathrm{227}}^1\times {\mathrm{1399}}^1$

素因数の和:1637

約数の個数: 32

約数和(自身を含む): 28728000

約数和(自身を除く): 16025080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 227, 454, 908, 1135, 1399, 1816, 2270, 2798, 4540, 5596, 6995, 9080, 11192, 13990, 27980, 55960, 317573, 635146, 1270292, 1587865, 2540584, 3175730, 6351460, 12702920]

約数ペア:

[(1, 12702920), (2, 6351460), (4, 3175730), (5, 2540584), (8, 1587865), (10, 1270292), (20, 635146), (40, 317573), (227, 55960), (454, 27980), (908, 13990), (1135, 11192), (1399, 9080), (1816, 6995), (2270, 5596), (2798, 4540)]