2057874340

素因数分解:

$2^2\times 5^1\times {\mathrm{4001}}^1\times {\mathrm{25717}}^1$

素因数の和:29727

約数の個数: 24

約数和(自身を含む): 4322784312

約数和(自身を除く): 2264909972

約数列:

[1, 2, 4, 5, 10, 20, 4001, 8002, 16004, 20005, 25717, 40010, 51434, 80020, 102868, 128585, 257170, 514340, 102893717, 205787434, 411574868, 514468585, 1028937170, 2057874340]

約数ペア:

[(1, 2057874340), (2, 1028937170), (4, 514468585), (5, 411574868), (10, 205787434), (20, 102893717), (4001, 514340), (8002, 257170), (16004, 128585), (20005, 102868), (25717, 80020), (40010, 51434)]