39400400

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{7577}}^1$

素因数の和:7608

約数の個数: 60

約数和(自身を含む): 101954412

約数和(自身を除く): 62554012

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 130, 200, 208, 260, 325, 400, 520, 650, 1040, 1300, 2600, 5200, 7577, 15154, 30308, 37885, 60616, 75770, 98501, 121232, 151540, 189425, 197002, 303080, 378850, 394004, 492505, 606160, 757700, 788008, 985010, 1515400, 1576016, 1970020, 2462525, 3030800, 3940040, 4925050, 7880080, 9850100, 19700200, 39400400]

約数ペア:

[(1, 39400400), (2, 19700200), (4, 9850100), (5, 7880080), (8, 4925050), (10, 3940040), (13, 3030800), (16, 2462525), (20, 1970020), (25, 1576016), (26, 1515400), (40, 985010), (50, 788008), (52, 757700), (65, 606160), (80, 492505), (100, 394004), (104, 378850), (130, 303080), (200, 197002), (208, 189425), (260, 151540), (325, 121232), (400, 98501), (520, 75770), (650, 60616), (1040, 37885), (1300, 30308), (2600, 15154), (5200, 7577)]