2722760

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1583}}^1$

素因数の和:1637

約数の個数: 32

約数和(自身を含む): 6272640

約数和(自身を除く): 3549880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1583, 1720, 3166, 6332, 7915, 12664, 15830, 31660, 63320, 68069, 136138, 272276, 340345, 544552, 680690, 1361380, 2722760]

約数ペア:

[(1, 2722760), (2, 1361380), (4, 680690), (5, 544552), (8, 340345), (10, 272276), (20, 136138), (40, 68069), (43, 63320), (86, 31660), (172, 15830), (215, 12664), (344, 7915), (430, 6332), (860, 3166), (1583, 1720)]