89987860

素因数分解:

$2^2\times 5^1\times {\mathrm{487}}^1\times {\mathrm{9239}}^1$

素因数の和:9735

約数の個数: 24

約数和(自身を含む): 189383040

約数和(自身を除く): 99395180

約数列:

[1, 2, 4, 5, 10, 20, 487, 974, 1948, 2435, 4870, 9239, 9740, 18478, 36956, 46195, 92390, 184780, 4499393, 8998786, 17997572, 22496965, 44993930, 89987860]

約数ペア:

[(1, 89987860), (2, 44993930), (4, 22496965), (5, 17997572), (10, 8998786), (20, 4499393), (487, 184780), (974, 92390), (1948, 46195), (2435, 36956), (4870, 18478), (9239, 9740)]