202864840

素因数分解:

$2^3\times 5^1\times {\mathrm{809}}^1\times {\mathrm{6269}}^1$

素因数の和:7089

約数の個数: 32

約数和(自身を含む): 457083000

約数和(自身を除く): 254218160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 809, 1618, 3236, 4045, 6269, 6472, 8090, 12538, 16180, 25076, 31345, 32360, 50152, 62690, 125380, 250760, 5071621, 10143242, 20286484, 25358105, 40572968, 50716210, 101432420, 202864840]

約数ペア:

[(1, 202864840), (2, 101432420), (4, 50716210), (5, 40572968), (8, 25358105), (10, 20286484), (20, 10143242), (40, 5071621), (809, 250760), (1618, 125380), (3236, 62690), (4045, 50152), (6269, 32360), (6472, 31345), (8090, 25076), (12538, 16180)]