65331280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{116663}}^1$

素因数の和:116683

約数の個数: 40

約数和(自身を含む): 173596032

約数和(自身を除く): 108264752

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 116663, 233326, 466652, 583315, 816641, 933304, 1166630, 1633282, 1866608, 2333260, 3266564, 4083205, 4666520, 6533128, 8166410, 9333040, 13066256, 16332820, 32665640, 65331280]

約数ペア:

[(1, 65331280), (2, 32665640), (4, 16332820), (5, 13066256), (7, 9333040), (8, 8166410), (10, 6533128), (14, 4666520), (16, 4083205), (20, 3266564), (28, 2333260), (35, 1866608), (40, 1633282), (56, 1166630), (70, 933304), (80, 816641), (112, 583315), (140, 466652), (280, 233326), (560, 116663)]