203420960

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{29567}}^1$

素因数の和:29625

約数の個数: 48

約数和(自身を含む): 491774976

約数和(自身を除く): 288354016

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 80, 86, 160, 172, 215, 344, 430, 688, 860, 1376, 1720, 3440, 6880, 29567, 59134, 118268, 147835, 236536, 295670, 473072, 591340, 946144, 1182680, 1271381, 2365360, 2542762, 4730720, 5085524, 6356905, 10171048, 12713810, 20342096, 25427620, 40684192, 50855240, 101710480, 203420960]

約数ペア:

[(1, 203420960), (2, 101710480), (4, 50855240), (5, 40684192), (8, 25427620), (10, 20342096), (16, 12713810), (20, 10171048), (32, 6356905), (40, 5085524), (43, 4730720), (80, 2542762), (86, 2365360), (160, 1271381), (172, 1182680), (215, 946144), (344, 591340), (430, 473072), (688, 295670), (860, 236536), (1376, 147835), (1720, 118268), (3440, 59134), (6880, 29567)]