56655160

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{19949}}^1$

素因数の和:20031

約数の個数: 32

約数和(自身を含む): 129276000

約数和(自身を除く): 72620840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 19949, 39898, 79796, 99745, 159592, 199490, 398980, 797960, 1416379, 2832758, 5665516, 7081895, 11331032, 14163790, 28327580, 56655160]

約数ペア:

[(1, 56655160), (2, 28327580), (4, 14163790), (5, 11331032), (8, 7081895), (10, 5665516), (20, 2832758), (40, 1416379), (71, 797960), (142, 398980), (284, 199490), (355, 159592), (568, 99745), (710, 79796), (1420, 39898), (2840, 19949)]