72182420

素因数分解:

$2^2\times 5^1\times {\mathrm{443}}^1\times {\mathrm{8147}}^1$

素因数の和:8599

約数の個数: 24

約数和(自身を含む): 151943904

約数和(自身を除く): 79761484

約数列:

[1, 2, 4, 5, 10, 20, 443, 886, 1772, 2215, 4430, 8147, 8860, 16294, 32588, 40735, 81470, 162940, 3609121, 7218242, 14436484, 18045605, 36091210, 72182420]

約数ペア:

[(1, 72182420), (2, 36091210), (4, 18045605), (5, 14436484), (10, 7218242), (20, 3609121), (443, 162940), (886, 81470), (1772, 40735), (2215, 32588), (4430, 16294), (8147, 8860)]