90469880

素因数分解:

$2^3\times 5^1\times {\mathrm{859}}^1\times {\mathrm{2633}}^1$

素因数の和:3503

約数の個数: 32

約数和(自身を含む): 203871600

約数和(自身を除く): 113401720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 859, 1718, 2633, 3436, 4295, 5266, 6872, 8590, 10532, 13165, 17180, 21064, 26330, 34360, 52660, 105320, 2261747, 4523494, 9046988, 11308735, 18093976, 22617470, 45234940, 90469880]

約数ペア:

[(1, 90469880), (2, 45234940), (4, 22617470), (5, 18093976), (8, 11308735), (10, 9046988), (20, 4523494), (40, 2261747), (859, 105320), (1718, 52660), (2633, 34360), (3436, 26330), (4295, 21064), (5266, 17180), (6872, 13165), (8590, 10532)]