99981280

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{89269}}^1$

素因数の和:89291

約数の個数: 48

約数和(自身を含む): 269952480

約数和(自身を除く): 169971200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 89269, 178538, 357076, 446345, 624883, 714152, 892690, 1249766, 1428304, 1785380, 2499532, 2856608, 3124415, 3570760, 4999064, 6248830, 7141520, 9998128, 12497660, 14283040, 19996256, 24995320, 49990640, 99981280]

約数ペア:

[(1, 99981280), (2, 49990640), (4, 24995320), (5, 19996256), (7, 14283040), (8, 12497660), (10, 9998128), (14, 7141520), (16, 6248830), (20, 4999064), (28, 3570760), (32, 3124415), (35, 2856608), (40, 2499532), (56, 1785380), (70, 1428304), (80, 1249766), (112, 892690), (140, 714152), (160, 624883), (224, 446345), (280, 357076), (560, 178538), (1120, 89269)]