2016394960

素因数分解:

$2^4\times 5^1\times {\mathrm{157}}^1\times {\mathrm{160541}}^1$

素因数の和:160711

約数の個数: 40

約数和(自身を含む): 4718008296

約数和(自身を除く): 2701613336

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 157, 314, 628, 785, 1256, 1570, 2512, 3140, 6280, 12560, 160541, 321082, 642164, 802705, 1284328, 1605410, 2568656, 3210820, 6421640, 12843280, 25204937, 50409874, 100819748, 126024685, 201639496, 252049370, 403278992, 504098740, 1008197480, 2016394960]

約数ペア:

[(1, 2016394960), (2, 1008197480), (4, 504098740), (5, 403278992), (8, 252049370), (10, 201639496), (16, 126024685), (20, 100819748), (40, 50409874), (80, 25204937), (157, 12843280), (314, 6421640), (628, 3210820), (785, 2568656), (1256, 1605410), (1570, 1284328), (2512, 802705), (3140, 642164), (6280, 321082), (12560, 160541)]