2807680

素因数分解:

$2^7\times 5^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1$

素因数の和:167

約数の個数: 64

約数和(自身を含む): 6940080

約数和(自身を除く): 4132400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 107, 128, 160, 164, 205, 214, 320, 328, 410, 428, 535, 640, 656, 820, 856, 1070, 1312, 1640, 1712, 2140, 2624, 3280, 3424, 4280, 4387, 5248, 6560, 6848, 8560, 8774, 13120, 13696, 17120, 17548, 21935, 26240, 34240, 35096, 43870, 68480, 70192, 87740, 140384, 175480, 280768, 350960, 561536, 701920, 1403840, 2807680]

約数ペア:

[(1, 2807680), (2, 1403840), (4, 701920), (5, 561536), (8, 350960), (10, 280768), (16, 175480), (20, 140384), (32, 87740), (40, 70192), (41, 68480), (64, 43870), (80, 35096), (82, 34240), (107, 26240), (128, 21935), (160, 17548), (164, 17120), (205, 13696), (214, 13120), (320, 8774), (328, 8560), (410, 6848), (428, 6560), (535, 5248), (640, 4387), (656, 4280), (820, 3424), (856, 3280), (1070, 2624), (1312, 2140), (1640, 1712)]