40332280

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{179}}^1$

素因数の和:364

約数の個数: 64

約数和(自身を含む): 94089600

約数和(自身を除く): 53757320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 131, 172, 179, 215, 262, 344, 358, 430, 524, 655, 716, 860, 895, 1048, 1310, 1432, 1720, 1790, 2620, 3580, 5240, 5633, 7160, 7697, 11266, 15394, 22532, 23449, 28165, 30788, 38485, 45064, 46898, 56330, 61576, 76970, 93796, 112660, 117245, 153940, 187592, 225320, 234490, 307880, 468980, 937960, 1008307, 2016614, 4033228, 5041535, 8066456, 10083070, 20166140, 40332280]

約数ペア:

[(1, 40332280), (2, 20166140), (4, 10083070), (5, 8066456), (8, 5041535), (10, 4033228), (20, 2016614), (40, 1008307), (43, 937960), (86, 468980), (131, 307880), (172, 234490), (179, 225320), (215, 187592), (262, 153940), (344, 117245), (358, 112660), (430, 93796), (524, 76970), (655, 61576), (716, 56330), (860, 46898), (895, 45064), (1048, 38485), (1310, 30788), (1432, 28165), (1720, 23449), (1790, 22532), (2620, 15394), (3580, 11266), (5240, 7697), (5633, 7160)]