181840

素因数分解:

$2^4\times 5^1\times {\mathrm{2273}}^1$

素因数の和:2286

約数の個数: 20

約数和(自身を含む): 422964

約数和(自身を除く): 241124

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2273, 4546, 9092, 11365, 18184, 22730, 36368, 45460, 90920, 181840]

約数ペア:

[(1, 181840), (2, 90920), (4, 45460), (5, 36368), (8, 22730), (10, 18184), (16, 11365), (20, 9092), (40, 4546), (80, 2273)]