201215180

素因数分解:

$2^2\times 5^1\times {\mathrm{313}}^1\times {\mathrm{32143}}^1$

素因数の和:32465

約数の個数: 24

約数和(自身を含む): 423915072

約数和(自身を除く): 222699892

約数列:

[1, 2, 4, 5, 10, 20, 313, 626, 1252, 1565, 3130, 6260, 32143, 64286, 128572, 160715, 321430, 642860, 10060759, 20121518, 40243036, 50303795, 100607590, 201215180]

約数ペア:

[(1, 201215180), (2, 100607590), (4, 50303795), (5, 40243036), (10, 20121518), (20, 10060759), (313, 642860), (626, 321430), (1252, 160715), (1565, 128572), (3130, 64286), (6260, 32143)]