2660987720

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{1415419}}^1$

素因数の和:1415477

約数の個数: 32

約数和(自身を含む): 6114614400

約数和(自身を除く): 3453626680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 1415419, 2830838, 5661676, 7077095, 11323352, 14154190, 28308380, 56616760, 66524693, 133049386, 266098772, 332623465, 532197544, 665246930, 1330493860, 2660987720]

約数ペア:

[(1, 2660987720), (2, 1330493860), (4, 665246930), (5, 532197544), (8, 332623465), (10, 266098772), (20, 133049386), (40, 66524693), (47, 56616760), (94, 28308380), (188, 14154190), (235, 11323352), (376, 7077095), (470, 5661676), (940, 2830838), (1880, 1415419)]