1970020

素因数分解:

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

素因数の和:7599

約数の個数: 24

約数和(自身を含む): 4455864

約数和(自身を除く): 2485844

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 7577, 15154, 30308, 37885, 75770, 98501, 151540, 197002, 394004, 492505, 985010, 1970020]

約数ペア:

[(1, 1970020), (2, 985010), (4, 492505), (5, 394004), (10, 197002), (13, 151540), (20, 98501), (26, 75770), (52, 37885), (65, 30308), (130, 15154), (260, 7577)]