56501240

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{12959}}^1$

素因数の和:13079

約数の個数: 32

約数和(自身を含む): 128304000

約数和(自身を除く): 71802760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 12959, 25918, 51836, 64795, 103672, 129590, 259180, 518360, 1412531, 2825062, 5650124, 7062655, 11300248, 14125310, 28250620, 56501240]

約数ペア:

[(1, 56501240), (2, 28250620), (4, 14125310), (5, 11300248), (8, 7062655), (10, 5650124), (20, 2825062), (40, 1412531), (109, 518360), (218, 259180), (436, 129590), (545, 103672), (872, 64795), (1090, 51836), (2180, 25918), (4360, 12959)]