15420040

素因数分解:

$2^3\times 5^1\times {\mathrm{385501}}^1$

素因数の和:385512

約数の個数: 16

約数和(自身を含む): 34695180

約数和(自身を除く): 19275140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 385501, 771002, 1542004, 1927505, 3084008, 3855010, 7710020, 15420040]

約数ペア:

[(1, 15420040), (2, 7710020), (4, 3855010), (5, 3084008), (8, 1927505), (10, 1542004), (20, 771002), (40, 385501)]