4428080

素因数分解:

$2^4\times 5^1\times {\mathrm{55351}}^1$

素因数の和:55364

約数の個数: 20

約数和(自身を含む): 10295472

約数和(自身を除く): 5867392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 55351, 110702, 221404, 276755, 442808, 553510, 885616, 1107020, 2214040, 4428080]

約数ペア:

[(1, 4428080), (2, 2214040), (4, 1107020), (5, 885616), (8, 553510), (10, 442808), (16, 276755), (20, 221404), (40, 110702), (80, 55351)]