68864080

素因数分解:

$2^4\times 5^1\times {\mathrm{131}}^1\times {\mathrm{6571}}^1$

素因数の和:6715

約数の個数: 40

約数和(自身を含む): 161355744

約数和(自身を除く): 92491664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 131, 262, 524, 655, 1048, 1310, 2096, 2620, 5240, 6571, 10480, 13142, 26284, 32855, 52568, 65710, 105136, 131420, 262840, 525680, 860801, 1721602, 3443204, 4304005, 6886408, 8608010, 13772816, 17216020, 34432040, 68864080]

約数ペア:

[(1, 68864080), (2, 34432040), (4, 17216020), (5, 13772816), (8, 8608010), (10, 6886408), (16, 4304005), (20, 3443204), (40, 1721602), (80, 860801), (131, 525680), (262, 262840), (524, 131420), (655, 105136), (1048, 65710), (1310, 52568), (2096, 32855), (2620, 26284), (5240, 13142), (6571, 10480)]