90989560

素因数分解:

$2^3\times 5^1\times {\mathrm{2274739}}^1$

素因数の和:2274750

約数の個数: 16

約数和(自身を含む): 204726600

約数和(自身を除く): 113737040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2274739, 4549478, 9098956, 11373695, 18197912, 22747390, 45494780, 90989560]

約数ペア:

[(1, 90989560), (2, 45494780), (4, 22747390), (5, 18197912), (8, 11373695), (10, 9098956), (20, 4549478), (40, 2274739)]