12961060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{2153}}^1$

素因数の和:2212

約数の個数: 48

約数和(自身を含む): 31844736

約数和(自身を除く): 18883676

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 86, 140, 172, 215, 301, 430, 602, 860, 1204, 1505, 2153, 3010, 4306, 6020, 8612, 10765, 15071, 21530, 30142, 43060, 60284, 75355, 92579, 150710, 185158, 301420, 370316, 462895, 648053, 925790, 1296106, 1851580, 2592212, 3240265, 6480530, 12961060]

約数ペア:

[(1, 12961060), (2, 6480530), (4, 3240265), (5, 2592212), (7, 1851580), (10, 1296106), (14, 925790), (20, 648053), (28, 462895), (35, 370316), (43, 301420), (70, 185158), (86, 150710), (140, 92579), (172, 75355), (215, 60284), (301, 43060), (430, 30142), (602, 21530), (860, 15071), (1204, 10765), (1505, 8612), (2153, 6020), (3010, 4306)]