54651380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{390367}}^1$

素因数の和:390383

約数の個数: 24

約数和(自身を含む): 131163648

約数和(自身を除く): 76512268

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 390367, 780734, 1561468, 1951835, 2732569, 3903670, 5465138, 7807340, 10930276, 13662845, 27325690, 54651380]

約数ペア:

[(1, 54651380), (2, 27325690), (4, 13662845), (5, 10930276), (7, 7807340), (10, 5465138), (14, 3903670), (20, 2732569), (28, 1951835), (35, 1561468), (70, 780734), (140, 390367)]