28000180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107693}}^1$

素因数の和:107715

約数の個数: 24

約数和(自身を含む): 63324072

約数和(自身を除く): 35323892

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 107693, 215386, 430772, 538465, 1076930, 1400009, 2153860, 2800018, 5600036, 7000045, 14000090, 28000180]

約数ペア:

[(1, 28000180), (2, 14000090), (4, 7000045), (5, 5600036), (10, 2800018), (13, 2153860), (20, 1400009), (26, 1076930), (52, 538465), (65, 430772), (130, 215386), (260, 107693)]