5445520

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1583}}^1$

素因数の和:1639

約数の個数: 40

約数和(自身を含む): 12963456

約数和(自身を除く): 7517936

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1583, 1720, 3166, 3440, 6332, 7915, 12664, 15830, 25328, 31660, 63320, 68069, 126640, 136138, 272276, 340345, 544552, 680690, 1089104, 1361380, 2722760, 5445520]

約数ペア:

[(1, 5445520), (2, 2722760), (4, 1361380), (5, 1089104), (8, 680690), (10, 544552), (16, 340345), (20, 272276), (40, 136138), (43, 126640), (80, 68069), (86, 63320), (172, 31660), (215, 25328), (344, 15830), (430, 12664), (688, 7915), (860, 6332), (1583, 3440), (1720, 3166)]