1616491960

素因数分解:

$2^3\times 5^1\times {\mathrm{2027}}^1\times {\mathrm{19937}}^1$

素因数の和:21975

約数の個数: 32

約数和(自身を含む): 3639083760

約数和(自身を除く): 2022591800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2027, 4054, 8108, 10135, 16216, 19937, 20270, 39874, 40540, 79748, 81080, 99685, 159496, 199370, 398740, 797480, 40412299, 80824598, 161649196, 202061495, 323298392, 404122990, 808245980, 1616491960]

約数ペア:

[(1, 1616491960), (2, 808245980), (4, 404122990), (5, 323298392), (8, 202061495), (10, 161649196), (20, 80824598), (40, 40412299), (2027, 797480), (4054, 398740), (8108, 199370), (10135, 159496), (16216, 99685), (19937, 81080), (20270, 79748), (39874, 40540)]