40126360

素因数分解:

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

素因数の和:352

約数の個数: 48

約数和(自身を含む): 92034000

約数和(自身を除く): 51907640

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, 5041, 7960, 10082, 14129, 20164, 25205, 28258, 40328, 50410, 56516, 70645, 100820, 113032, 141290, 201640, 282580, 565160, 1003159, 2006318, 4012636, 5015795, 8025272, 10031590, 20063180, 40126360]

約数ペア:

[(1, 40126360), (2, 20063180), (4, 10031590), (5, 8025272), (8, 5015795), (10, 4012636), (20, 2006318), (40, 1003159), (71, 565160), (142, 282580), (199, 201640), (284, 141290), (355, 113032), (398, 100820), (568, 70645), (710, 56516), (796, 50410), (995, 40328), (1420, 28258), (1592, 25205), (1990, 20164), (2840, 14129), (3980, 10082), (5041, 7960)]