108385780

素因数分解:

$2^2\times 5^1\times {\mathrm{1999}}^1\times {\mathrm{2711}}^1$

素因数の和:4719

約数の個数: 24

約数和(自身を含む): 227808000

約数和(自身を除く): 119422220

約数列:

[1, 2, 4, 5, 10, 20, 1999, 2711, 3998, 5422, 7996, 9995, 10844, 13555, 19990, 27110, 39980, 54220, 5419289, 10838578, 21677156, 27096445, 54192890, 108385780]

約数ペア:

[(1, 108385780), (2, 54192890), (4, 27096445), (5, 21677156), (10, 10838578), (20, 5419289), (1999, 54220), (2711, 39980), (3998, 27110), (5422, 19990), (7996, 13555), (9995, 10844)]