201022840

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{36683}}^1$

素因数の和:36831

約数の個数: 32

約数和(自身を含む): 455615280

約数和(自身を除く): 254592440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 1096, 1370, 2740, 5480, 36683, 73366, 146732, 183415, 293464, 366830, 733660, 1467320, 5025571, 10051142, 20102284, 25127855, 40204568, 50255710, 100511420, 201022840]

約数ペア:

[(1, 201022840), (2, 100511420), (4, 50255710), (5, 40204568), (8, 25127855), (10, 20102284), (20, 10051142), (40, 5025571), (137, 1467320), (274, 733660), (548, 366830), (685, 293464), (1096, 183415), (1370, 146732), (2740, 73366), (5480, 36683)]