87019840

素因数分解:

$2^6\times 5^1\times {\mathrm{193}}^1\times {\mathrm{1409}}^1$

素因数の和:1619

約数の個数: 56

約数和(自身を含む): 208437480

約数和(自身を除く): 121417640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 193, 320, 386, 772, 965, 1409, 1544, 1930, 2818, 3088, 3860, 5636, 6176, 7045, 7720, 11272, 12352, 14090, 15440, 22544, 28180, 30880, 45088, 56360, 61760, 90176, 112720, 225440, 271937, 450880, 543874, 1087748, 1359685, 2175496, 2719370, 4350992, 5438740, 8701984, 10877480, 17403968, 21754960, 43509920, 87019840]

約数ペア:

[(1, 87019840), (2, 43509920), (4, 21754960), (5, 17403968), (8, 10877480), (10, 8701984), (16, 5438740), (20, 4350992), (32, 2719370), (40, 2175496), (64, 1359685), (80, 1087748), (160, 543874), (193, 450880), (320, 271937), (386, 225440), (772, 112720), (965, 90176), (1409, 61760), (1544, 56360), (1930, 45088), (2818, 30880), (3088, 28180), (3860, 22544), (5636, 15440), (6176, 14090), (7045, 12352), (7720, 11272)]