81347830

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{5113}}^1$

素因数の和:5200

約数の個数: 32

約数和(自身を含む): 153910944

約数和(自身を除く): 72563114

約数列:

[1, 2, 5, 10, 37, 43, 74, 86, 185, 215, 370, 430, 1591, 3182, 5113, 7955, 10226, 15910, 25565, 51130, 189181, 219859, 378362, 439718, 945905, 1099295, 1891810, 2198590, 8134783, 16269566, 40673915, 81347830]

約数ペア:

[(1, 81347830), (2, 40673915), (5, 16269566), (10, 8134783), (37, 2198590), (43, 1891810), (74, 1099295), (86, 945905), (185, 439718), (215, 378362), (370, 219859), (430, 189181), (1591, 51130), (3182, 25565), (5113, 15910), (7955, 10226)]