2640760

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{617}}^1$

素因数の和:735

約数の個数: 32

約数和(自身を含む): 6006960

約数和(自身を除く): 3366200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 535, 617, 856, 1070, 1234, 2140, 2468, 3085, 4280, 4936, 6170, 12340, 24680, 66019, 132038, 264076, 330095, 528152, 660190, 1320380, 2640760]

約数ペア:

[(1, 2640760), (2, 1320380), (4, 660190), (5, 528152), (8, 330095), (10, 264076), (20, 132038), (40, 66019), (107, 24680), (214, 12340), (428, 6170), (535, 4936), (617, 4280), (856, 3085), (1070, 2468), (1234, 2140)]