128519120

素因数分解:

$2^4\times 5^1\times {\mathrm{151}}^1\times {\mathrm{10639}}^1$

素因数の和:10803

約数の個数: 40

約数和(自身を含む): 300814080

約数和(自身を除く): 172294960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 151, 302, 604, 755, 1208, 1510, 2416, 3020, 6040, 10639, 12080, 21278, 42556, 53195, 85112, 106390, 170224, 212780, 425560, 851120, 1606489, 3212978, 6425956, 8032445, 12851912, 16064890, 25703824, 32129780, 64259560, 128519120]

約数ペア:

[(1, 128519120), (2, 64259560), (4, 32129780), (5, 25703824), (8, 16064890), (10, 12851912), (16, 8032445), (20, 6425956), (40, 3212978), (80, 1606489), (151, 851120), (302, 425560), (604, 212780), (755, 170224), (1208, 106390), (1510, 85112), (2416, 53195), (3020, 42556), (6040, 21278), (10639, 12080)]