2888080

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2777}}^1$

素因数の和:2803

約数の個数: 40

約数和(自身を含む): 7233912

約数和(自身を除く): 4345832

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 2777, 5554, 11108, 13885, 22216, 27770, 36101, 44432, 55540, 72202, 111080, 144404, 180505, 222160, 288808, 361010, 577616, 722020, 1444040, 2888080]

約数ペア:

[(1, 2888080), (2, 1444040), (4, 722020), (5, 577616), (8, 361010), (10, 288808), (13, 222160), (16, 180505), (20, 144404), (26, 111080), (40, 72202), (52, 55540), (65, 44432), (80, 36101), (104, 27770), (130, 22216), (208, 13885), (260, 11108), (520, 5554), (1040, 2777)]