80669080

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{1223}}^1$

素因数の和:1348

約数の個数: 64

約数和(自身を含む): 194322240

約数和(自身を除く): 113653160

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 97, 136, 170, 194, 340, 388, 485, 680, 776, 970, 1223, 1649, 1940, 2446, 3298, 3880, 4892, 6115, 6596, 8245, 9784, 12230, 13192, 16490, 20791, 24460, 32980, 41582, 48920, 65960, 83164, 103955, 118631, 166328, 207910, 237262, 415820, 474524, 593155, 831640, 949048, 1186310, 2016727, 2372620, 4033454, 4745240, 8066908, 10083635, 16133816, 20167270, 40334540, 80669080]

約数ペア:

[(1, 80669080), (2, 40334540), (4, 20167270), (5, 16133816), (8, 10083635), (10, 8066908), (17, 4745240), (20, 4033454), (34, 2372620), (40, 2016727), (68, 1186310), (85, 949048), (97, 831640), (136, 593155), (170, 474524), (194, 415820), (340, 237262), (388, 207910), (485, 166328), (680, 118631), (776, 103955), (970, 83164), (1223, 65960), (1649, 48920), (1940, 41582), (2446, 32980), (3298, 24460), (3880, 20791), (4892, 16490), (6115, 13192), (6596, 12230), (8245, 9784)]