320054780

素因数分解:

$2^2\times 5^1\times {\mathrm{1861}}^1\times {\mathrm{8599}}^1$

素因数の和:10469

約数の個数: 24

約数和(自身を含む): 672554400

約数和(自身を除く): 352499620

約数列:

[1, 2, 4, 5, 10, 20, 1861, 3722, 7444, 8599, 9305, 17198, 18610, 34396, 37220, 42995, 85990, 171980, 16002739, 32005478, 64010956, 80013695, 160027390, 320054780]

約数ペア:

[(1, 320054780), (2, 160027390), (4, 80013695), (5, 64010956), (10, 32005478), (20, 16002739), (1861, 171980), (3722, 85990), (7444, 42995), (8599, 37220), (9305, 34396), (17198, 18610)]