6442640

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{2777}}^1$

素因数の和:2819

約数の個数: 40

約数和(自身を含む): 15501240

約数和(自身を除く): 9058600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 2777, 5554, 11108, 13885, 22216, 27770, 44432, 55540, 80533, 111080, 161066, 222160, 322132, 402665, 644264, 805330, 1288528, 1610660, 3221320, 6442640]

約数ペア:

[(1, 6442640), (2, 3221320), (4, 1610660), (5, 1288528), (8, 805330), (10, 644264), (16, 402665), (20, 322132), (29, 222160), (40, 161066), (58, 111080), (80, 80533), (116, 55540), (145, 44432), (232, 27770), (290, 22216), (464, 13885), (580, 11108), (1160, 5554), (2320, 2777)]