16398520

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{21577}}^1$

素因数の和:21607

約数の個数: 32

約数和(自身を含む): 38840400

約数和(自身を除く): 22441880

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 21577, 43154, 86308, 107885, 172616, 215770, 409963, 431540, 819926, 863080, 1639852, 2049815, 3279704, 4099630, 8199260, 16398520]

約数ペア:

[(1, 16398520), (2, 8199260), (4, 4099630), (5, 3279704), (8, 2049815), (10, 1639852), (19, 863080), (20, 819926), (38, 431540), (40, 409963), (76, 215770), (95, 172616), (152, 107885), (190, 86308), (380, 43154), (760, 21577)]