426501520

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{123983}}^1$

素因数の和:124039

約数の個数: 40

約数和(自身を含む): 1014685056

約数和(自身を除く): 588183536

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 123983, 247966, 495932, 619915, 991864, 1239830, 1983728, 2479660, 4959320, 5331269, 9918640, 10662538, 21325076, 26656345, 42650152, 53312690, 85300304, 106625380, 213250760, 426501520]

約数ペア:

[(1, 426501520), (2, 213250760), (4, 106625380), (5, 85300304), (8, 53312690), (10, 42650152), (16, 26656345), (20, 21325076), (40, 10662538), (43, 9918640), (80, 5331269), (86, 4959320), (172, 2479660), (215, 1983728), (344, 1239830), (430, 991864), (688, 619915), (860, 495932), (1720, 247966), (3440, 123983)]