201718840

素因数分解:

$2^3\times 5^1\times {\mathrm{5042971}}^1$

素因数の和:5042982

約数の個数: 16

約数和(自身を含む): 453867480

約数和(自身を除く): 252148640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5042971, 10085942, 20171884, 25214855, 40343768, 50429710, 100859420, 201718840]

約数ペア:

[(1, 201718840), (2, 100859420), (4, 50429710), (5, 40343768), (8, 25214855), (10, 20171884), (20, 10085942), (40, 5042971)]