90305440

素因数分解:

$2^5\times 5^1\times {\mathrm{564409}}^1$

素因数の和:564424

約数の個数: 24

約数和(自身を含む): 213346980

約数和(自身を除く): 123041540

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 564409, 1128818, 2257636, 2822045, 4515272, 5644090, 9030544, 11288180, 18061088, 22576360, 45152720, 90305440]

約数ペア:

[(1, 90305440), (2, 45152720), (4, 22576360), (5, 18061088), (8, 11288180), (10, 9030544), (16, 5644090), (20, 4515272), (32, 2822045), (40, 2257636), (80, 1128818), (160, 564409)]