39728380

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^2\times {\mathrm{1451}}^1$

素因数の和:1534

約数の個数: 36

約数和(自身を含む): 85804488

約数和(自身を除く): 46076108

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 1369, 1451, 2738, 2902, 5476, 5804, 6845, 7255, 13690, 14510, 27380, 29020, 53687, 107374, 214748, 268435, 536870, 1073740, 1986419, 3972838, 7945676, 9932095, 19864190, 39728380]

約数ペア:

[(1, 39728380), (2, 19864190), (4, 9932095), (5, 7945676), (10, 3972838), (20, 1986419), (37, 1073740), (74, 536870), (148, 268435), (185, 214748), (370, 107374), (740, 53687), (1369, 29020), (1451, 27380), (2738, 14510), (2902, 13690), (5476, 7255), (5804, 6845)]