2019873040

素因数分解:

$2^4\times 5^1\times {\mathrm{25248413}}^1$

素因数の和:25248426

約数の個数: 20

約数和(自身を含む): 4696205004

約数和(自身を除く): 2676331964

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 25248413, 50496826, 100993652, 126242065, 201987304, 252484130, 403974608, 504968260, 1009936520, 2019873040]

約数ペア:

[(1, 2019873040), (2, 1009936520), (4, 504968260), (5, 403974608), (8, 252484130), (10, 201987304), (16, 126242065), (20, 100993652), (40, 50496826), (80, 25248413)]