123200080

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{37561}}^1$

素因数の和:37615

約数の個数: 40

約数和(自身を含む): 293434344

約数和(自身を除く): 170234264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 37561, 75122, 150244, 187805, 300488, 375610, 600976, 751220, 1502440, 1540001, 3004880, 3080002, 6160004, 7700005, 12320008, 15400010, 24640016, 30800020, 61600040, 123200080]

約数ペア:

[(1, 123200080), (2, 61600040), (4, 30800020), (5, 24640016), (8, 15400010), (10, 12320008), (16, 7700005), (20, 6160004), (40, 3080002), (41, 3004880), (80, 1540001), (82, 1502440), (164, 751220), (205, 600976), (328, 375610), (410, 300488), (656, 187805), (820, 150244), (1640, 75122), (3280, 37561)]