201540040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{387577}}^1$

素因数の和:387601

約数の個数: 32

約数和(自身を含む): 488348280

約数和(自身を除く): 286808240

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 387577, 775154, 1550308, 1937885, 3100616, 3875770, 5038501, 7751540, 10077002, 15503080, 20154004, 25192505, 40308008, 50385010, 100770020, 201540040]

約数ペア:

[(1, 201540040), (2, 100770020), (4, 50385010), (5, 40308008), (8, 25192505), (10, 20154004), (13, 15503080), (20, 10077002), (26, 7751540), (40, 5038501), (52, 3875770), (65, 3100616), (104, 1937885), (130, 1550308), (260, 775154), (520, 387577)]