2017992500

素因数分解:

$2^2\times 5^4\times {\mathrm{807197}}^1$

素因数の和:807221

約数の個数: 30

約数和(自身を含む): 4412951466

約数和(自身を除く): 2394958966

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 625, 1250, 2500, 807197, 1614394, 3228788, 4035985, 8071970, 16143940, 20179925, 40359850, 80719700, 100899625, 201799250, 403598500, 504498125, 1008996250, 2017992500]

約数ペア:

[(1, 2017992500), (2, 1008996250), (4, 504498125), (5, 403598500), (10, 201799250), (20, 100899625), (25, 80719700), (50, 40359850), (100, 20179925), (125, 16143940), (250, 8071970), (500, 4035985), (625, 3228788), (1250, 1614394), (2500, 807197)]