51128080

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{751}}^1$

素因数の和:824

約数の個数: 80

約数和(自身を含む): 127563264

約数和(自身を除く): 76435184

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 37, 40, 46, 74, 80, 92, 115, 148, 184, 185, 230, 296, 368, 370, 460, 592, 740, 751, 851, 920, 1480, 1502, 1702, 1840, 2960, 3004, 3404, 3755, 4255, 6008, 6808, 7510, 8510, 12016, 13616, 15020, 17020, 17273, 27787, 30040, 34040, 34546, 55574, 60080, 68080, 69092, 86365, 111148, 138184, 138935, 172730, 222296, 276368, 277870, 345460, 444592, 555740, 639101, 690920, 1111480, 1278202, 1381840, 2222960, 2556404, 3195505, 5112808, 6391010, 10225616, 12782020, 25564040, 51128080]

約数ペア:

[(1, 51128080), (2, 25564040), (4, 12782020), (5, 10225616), (8, 6391010), (10, 5112808), (16, 3195505), (20, 2556404), (23, 2222960), (37, 1381840), (40, 1278202), (46, 1111480), (74, 690920), (80, 639101), (92, 555740), (115, 444592), (148, 345460), (184, 277870), (185, 276368), (230, 222296), (296, 172730), (368, 138935), (370, 138184), (460, 111148), (592, 86365), (740, 69092), (751, 68080), (851, 60080), (920, 55574), (1480, 34546), (1502, 34040), (1702, 30040), (1840, 27787), (2960, 17273), (3004, 17020), (3404, 15020), (3755, 13616), (4255, 12016), (6008, 8510), (6808, 7510)]