89732480

素因数分解:

$2^7\times 5^1\times {\mathrm{140207}}^1$

素因数の和:140226

約数の個数: 32

約数和(自身を含む): 214518240

約数和(自身を除く): 124785760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 140207, 280414, 560828, 701035, 1121656, 1402070, 2243312, 2804140, 4486624, 5608280, 8973248, 11216560, 17946496, 22433120, 44866240, 89732480]

約数ペア:

[(1, 89732480), (2, 44866240), (4, 22433120), (5, 17946496), (8, 11216560), (10, 8973248), (16, 5608280), (20, 4486624), (32, 2804140), (40, 2243312), (64, 1402070), (80, 1121656), (128, 701035), (160, 560828), (320, 280414), (640, 140207)]