6557560

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2309}}^1$

素因数の和:2391

約数の個数: 32

約数和(自身を含む): 14968800

約数和(自身を除く): 8411240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2309, 2840, 4618, 9236, 11545, 18472, 23090, 46180, 92360, 163939, 327878, 655756, 819695, 1311512, 1639390, 3278780, 6557560]

約数ペア:

[(1, 6557560), (2, 3278780), (4, 1639390), (5, 1311512), (8, 819695), (10, 655756), (20, 327878), (40, 163939), (71, 92360), (142, 46180), (284, 23090), (355, 18472), (568, 11545), (710, 9236), (1420, 4618), (2309, 2840)]