80247890

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{431}}^1\times {\mathrm{433}}^1$

素因数の和:914

約数の個数: 32

約数和(自身を含む): 148490496

約数和(自身を除く): 68242606

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 431, 433, 862, 866, 2155, 2165, 4310, 4330, 18533, 18619, 37066, 37238, 92665, 93095, 185330, 186190, 186623, 373246, 933115, 1866230, 8024789, 16049578, 40123945, 80247890]

約数ペア:

[(1, 80247890), (2, 40123945), (5, 16049578), (10, 8024789), (43, 1866230), (86, 933115), (215, 373246), (430, 186623), (431, 186190), (433, 185330), (862, 93095), (866, 92665), (2155, 37238), (2165, 37066), (4310, 18619), (4330, 18533)]