80459720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{1709}}^1$

素因数の和:1838

約数の個数: 64

約数和(自身を含む): 199454400

約数和(自身を除く): 118994680

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 107, 110, 214, 220, 428, 440, 535, 856, 1070, 1177, 1709, 2140, 2354, 3418, 4280, 4708, 5885, 6836, 8545, 9416, 11770, 13672, 17090, 18799, 23540, 34180, 37598, 47080, 68360, 75196, 93995, 150392, 182863, 187990, 365726, 375980, 731452, 751960, 914315, 1462904, 1828630, 2011493, 3657260, 4022986, 7314520, 8045972, 10057465, 16091944, 20114930, 40229860, 80459720]

約数ペア:

[(1, 80459720), (2, 40229860), (4, 20114930), (5, 16091944), (8, 10057465), (10, 8045972), (11, 7314520), (20, 4022986), (22, 3657260), (40, 2011493), (44, 1828630), (55, 1462904), (88, 914315), (107, 751960), (110, 731452), (214, 375980), (220, 365726), (428, 187990), (440, 182863), (535, 150392), (856, 93995), (1070, 75196), (1177, 68360), (1709, 47080), (2140, 37598), (2354, 34180), (3418, 23540), (4280, 18799), (4708, 17090), (5885, 13672), (6836, 11770), (8545, 9416)]