56831240

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{20011}}^1$

素因数の和:20093

約数の個数: 32

約数和(自身を含む): 129677760

約数和(自身を除く): 72846520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 20011, 40022, 80044, 100055, 160088, 200110, 400220, 800440, 1420781, 2841562, 5683124, 7103905, 11366248, 14207810, 28415620, 56831240]

約数ペア:

[(1, 56831240), (2, 28415620), (4, 14207810), (5, 11366248), (8, 7103905), (10, 5683124), (20, 2841562), (40, 1420781), (71, 800440), (142, 400220), (284, 200110), (355, 160088), (568, 100055), (710, 80044), (1420, 40022), (2840, 20011)]