80262560

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{71663}}^1$

素因数の和:71685

約数の個数: 48

約数和(自身を含む): 216711936

約数和(自身を除く): 136449376

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 71663, 143326, 286652, 358315, 501641, 573304, 716630, 1003282, 1146608, 1433260, 2006564, 2293216, 2508205, 2866520, 4013128, 5016410, 5733040, 8026256, 10032820, 11466080, 16052512, 20065640, 40131280, 80262560]

約数ペア:

[(1, 80262560), (2, 40131280), (4, 20065640), (5, 16052512), (7, 11466080), (8, 10032820), (10, 8026256), (14, 5733040), (16, 5016410), (20, 4013128), (28, 2866520), (32, 2508205), (35, 2293216), (40, 2006564), (56, 1433260), (70, 1146608), (80, 1003282), (112, 716630), (140, 573304), (160, 501641), (224, 358315), (280, 286652), (560, 143326), (1120, 71663)]