207768080

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199777}}^1$

素因数の和:199803

約数の個数: 40

約数和(自身を含む): 520221912

約数和(自身を除く): 312453832

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 199777, 399554, 799108, 998885, 1598216, 1997770, 2597101, 3196432, 3995540, 5194202, 7991080, 10388404, 12985505, 15982160, 20776808, 25971010, 41553616, 51942020, 103884040, 207768080]

約数ペア:

[(1, 207768080), (2, 103884040), (4, 51942020), (5, 41553616), (8, 25971010), (10, 20776808), (13, 15982160), (16, 12985505), (20, 10388404), (26, 7991080), (40, 5194202), (52, 3995540), (65, 3196432), (80, 2597101), (104, 1997770), (130, 1598216), (208, 998885), (260, 799108), (520, 399554), (1040, 199777)]