90657880

素因数分解:

$2^3\times 5^1\times {\mathrm{2266447}}^1$

素因数の和:2266458

約数の個数: 16

約数和(自身を含む): 203980320

約数和(自身を除く): 113322440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2266447, 4532894, 9065788, 11332235, 18131576, 22664470, 45328940, 90657880]

約数ペア:

[(1, 90657880), (2, 45328940), (4, 22664470), (5, 18131576), (8, 11332235), (10, 9065788), (20, 4532894), (40, 2266447)]