28363400

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{10909}}^1$

素因数の和:10938

約数の個数: 48

約数和(自身を含む): 71024100

約数和(自身を除く): 42660700

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 260, 325, 520, 650, 1300, 2600, 10909, 21818, 43636, 54545, 87272, 109090, 141817, 218180, 272725, 283634, 436360, 545450, 567268, 709085, 1090900, 1134536, 1418170, 2181800, 2836340, 3545425, 5672680, 7090850, 14181700, 28363400]

約数ペア:

[(1, 28363400), (2, 14181700), (4, 7090850), (5, 5672680), (8, 3545425), (10, 2836340), (13, 2181800), (20, 1418170), (25, 1134536), (26, 1090900), (40, 709085), (50, 567268), (52, 545450), (65, 436360), (100, 283634), (104, 272725), (130, 218180), (200, 141817), (260, 109090), (325, 87272), (520, 54545), (650, 43636), (1300, 21818), (2600, 10909)]