80698240

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{18013}}^1$

素因数の和:18039

約数の個数: 64

約数和(自身を含む): 220491360

約数和(自身を除く): 139793120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 640, 896, 1120, 2240, 4480, 18013, 36026, 72052, 90065, 126091, 144104, 180130, 252182, 288208, 360260, 504364, 576416, 630455, 720520, 1008728, 1152832, 1260910, 1441040, 2017456, 2305664, 2521820, 2882080, 4034912, 5043640, 5764160, 8069824, 10087280, 11528320, 16139648, 20174560, 40349120, 80698240]

約数ペア:

[(1, 80698240), (2, 40349120), (4, 20174560), (5, 16139648), (7, 11528320), (8, 10087280), (10, 8069824), (14, 5764160), (16, 5043640), (20, 4034912), (28, 2882080), (32, 2521820), (35, 2305664), (40, 2017456), (56, 1441040), (64, 1260910), (70, 1152832), (80, 1008728), (112, 720520), (128, 630455), (140, 576416), (160, 504364), (224, 360260), (280, 288208), (320, 252182), (448, 180130), (560, 144104), (640, 126091), (896, 90065), (1120, 72052), (2240, 36026), (4480, 18013)]