4345720

素因数分解:

$2^3\times 5^1\times {\mathrm{108643}}^1$

素因数の和:108654

約数の個数: 16

約数和(自身を含む): 9777960

約数和(自身を除く): 5432240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 108643, 217286, 434572, 543215, 869144, 1086430, 2172860, 4345720]

約数ペア:

[(1, 4345720), (2, 2172860), (4, 1086430), (5, 869144), (8, 543215), (10, 434572), (20, 217286), (40, 108643)]