565160

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{199}}^1$

素因数の和:281

約数の個数: 32

約数和(自身を含む): 1296000

約数和(自身を除く): 730840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 199, 284, 355, 398, 568, 710, 796, 995, 1420, 1592, 1990, 2840, 3980, 7960, 14129, 28258, 56516, 70645, 113032, 141290, 282580, 565160]

約数ペア:

[(1, 565160), (2, 282580), (4, 141290), (5, 113032), (8, 70645), (10, 56516), (20, 28258), (40, 14129), (71, 7960), (142, 3980), (199, 2840), (284, 1990), (355, 1592), (398, 1420), (568, 995), (710, 796)]