4012720

素因数分解:

$2^4\times 5^1\times {\mathrm{50159}}^1$

素因数の和:50172

約数の個数: 20

約数和(自身を含む): 9329760

約数和(自身を除く): 5317040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 50159, 100318, 200636, 250795, 401272, 501590, 802544, 1003180, 2006360, 4012720]

約数ペア:

[(1, 4012720), (2, 2006360), (4, 1003180), (5, 802544), (8, 501590), (10, 401272), (16, 250795), (20, 200636), (40, 100318), (80, 50159)]