56233420

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{199}}^2$

素因数の和:478

約数の個数: 36

約数和(自身を含む): 120358224

約数和(自身を除く): 64124804

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 199, 284, 355, 398, 710, 796, 995, 1420, 1990, 3980, 14129, 28258, 39601, 56516, 70645, 79202, 141290, 158404, 198005, 282580, 396010, 792020, 2811671, 5623342, 11246684, 14058355, 28116710, 56233420]

約数ペア:

[(1, 56233420), (2, 28116710), (4, 14058355), (5, 11246684), (10, 5623342), (20, 2811671), (71, 792020), (142, 396010), (199, 282580), (284, 198005), (355, 158404), (398, 141290), (710, 79202), (796, 70645), (995, 56516), (1420, 39601), (1990, 28258), (3980, 14129)]