80682620

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{4079}}^1$

素因数の和:4154

約数の個数: 48

約数和(自身を含む): 180956160

約数和(自身を除く): 100273540

約数列:

[1, 2, 4, 5, 10, 20, 23, 43, 46, 86, 92, 115, 172, 215, 230, 430, 460, 860, 989, 1978, 3956, 4079, 4945, 8158, 9890, 16316, 19780, 20395, 40790, 81580, 93817, 175397, 187634, 350794, 375268, 469085, 701588, 876985, 938170, 1753970, 1876340, 3507940, 4034131, 8068262, 16136524, 20170655, 40341310, 80682620]

約数ペア:

[(1, 80682620), (2, 40341310), (4, 20170655), (5, 16136524), (10, 8068262), (20, 4034131), (23, 3507940), (43, 1876340), (46, 1753970), (86, 938170), (92, 876985), (115, 701588), (172, 469085), (215, 375268), (230, 350794), (430, 187634), (460, 175397), (860, 93817), (989, 81580), (1978, 40790), (3956, 20395), (4079, 19780), (4945, 16316), (8158, 9890)]