81137120

素因数分解:

$2^5\times 5^1\times {\mathrm{179}}^1\times {\mathrm{2833}}^1$

素因数の和:3027

約数の個数: 48

約数和(自身を含む): 192825360

約数和(自身を除く): 111688240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 179, 358, 716, 895, 1432, 1790, 2833, 2864, 3580, 5666, 5728, 7160, 11332, 14165, 14320, 22664, 28330, 28640, 45328, 56660, 90656, 113320, 226640, 453280, 507107, 1014214, 2028428, 2535535, 4056856, 5071070, 8113712, 10142140, 16227424, 20284280, 40568560, 81137120]

約数ペア:

[(1, 81137120), (2, 40568560), (4, 20284280), (5, 16227424), (8, 10142140), (10, 8113712), (16, 5071070), (20, 4056856), (32, 2535535), (40, 2028428), (80, 1014214), (160, 507107), (179, 453280), (358, 226640), (716, 113320), (895, 90656), (1432, 56660), (1790, 45328), (2833, 28640), (2864, 28330), (3580, 22664), (5666, 14320), (5728, 14165), (7160, 11332)]