28344080

素因数分解:

$2^4\times 5^1\times {\mathrm{354301}}^1$

素因数の和:354314

約数の個数: 20

約数和(自身を含む): 65900172

約数和(自身を除く): 37556092

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 354301, 708602, 1417204, 1771505, 2834408, 3543010, 5668816, 7086020, 14172040, 28344080]

約数ペア:

[(1, 28344080), (2, 14172040), (4, 7086020), (5, 5668816), (8, 3543010), (10, 2834408), (16, 1771505), (20, 1417204), (40, 708602), (80, 354301)]