154020520

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{30319}}^1$

素因数の和:30457

約数の個数: 32

約数和(自身を含む): 349286400

約数和(自身を除く): 195265880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1016, 1270, 2540, 5080, 30319, 60638, 121276, 151595, 242552, 303190, 606380, 1212760, 3850513, 7701026, 15402052, 19252565, 30804104, 38505130, 77010260, 154020520]

約数ペア:

[(1, 154020520), (2, 77010260), (4, 38505130), (5, 30804104), (8, 19252565), (10, 15402052), (20, 7701026), (40, 3850513), (127, 1212760), (254, 606380), (508, 303190), (635, 242552), (1016, 151595), (1270, 121276), (2540, 60638), (5080, 30319)]