80607640

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{2137}}^1$

素因数の和:2212

約数の個数: 64

約数和(自身を含む): 193959360

約数和(自身を除く): 113351720

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 41, 46, 82, 92, 115, 164, 184, 205, 230, 328, 410, 460, 820, 920, 943, 1640, 1886, 2137, 3772, 4274, 4715, 7544, 8548, 9430, 10685, 17096, 18860, 21370, 37720, 42740, 49151, 85480, 87617, 98302, 175234, 196604, 245755, 350468, 393208, 438085, 491510, 700936, 876170, 983020, 1752340, 1966040, 2015191, 3504680, 4030382, 8060764, 10075955, 16121528, 20151910, 40303820, 80607640]

約数ペア:

[(1, 80607640), (2, 40303820), (4, 20151910), (5, 16121528), (8, 10075955), (10, 8060764), (20, 4030382), (23, 3504680), (40, 2015191), (41, 1966040), (46, 1752340), (82, 983020), (92, 876170), (115, 700936), (164, 491510), (184, 438085), (205, 393208), (230, 350468), (328, 245755), (410, 196604), (460, 175234), (820, 98302), (920, 87617), (943, 85480), (1640, 49151), (1886, 42740), (2137, 37720), (3772, 21370), (4274, 18860), (4715, 17096), (7544, 10685), (8548, 9430)]