23999800

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{10909}}^1$

素因数の和:10936

約数の個数: 48

約数和(自身を含む): 60877800

約数和(自身を除く): 36878000

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 200, 220, 275, 440, 550, 1100, 2200, 10909, 21818, 43636, 54545, 87272, 109090, 119999, 218180, 239998, 272725, 436360, 479996, 545450, 599995, 959992, 1090900, 1199990, 2181800, 2399980, 2999975, 4799960, 5999950, 11999900, 23999800]

約数ペア:

[(1, 23999800), (2, 11999900), (4, 5999950), (5, 4799960), (8, 2999975), (10, 2399980), (11, 2181800), (20, 1199990), (22, 1090900), (25, 959992), (40, 599995), (44, 545450), (50, 479996), (55, 436360), (88, 272725), (100, 239998), (110, 218180), (200, 119999), (220, 109090), (275, 87272), (440, 54545), (550, 43636), (1100, 21818), (2200, 10909)]