2016363560

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{321077}}^1$

素因数の和:321245

約数の個数: 32

約数和(自身を含む): 4565729160

約数和(自身を除く): 2549365600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 785, 1256, 1570, 3140, 6280, 321077, 642154, 1284308, 1605385, 2568616, 3210770, 6421540, 12843080, 50409089, 100818178, 201636356, 252045445, 403272712, 504090890, 1008181780, 2016363560]

約数ペア:

[(1, 2016363560), (2, 1008181780), (4, 504090890), (5, 403272712), (8, 252045445), (10, 201636356), (20, 100818178), (40, 50409089), (157, 12843080), (314, 6421540), (628, 3210770), (785, 2568616), (1256, 1605385), (1570, 1284308), (3140, 642154), (6280, 321077)]