80290976

素因数分解:

$2^5\times {\mathrm{23}}^1\times {\mathrm{43}}^2\times {\mathrm{59}}^1$

素因数の和:178

約数の個数: 72

約数和(自身を含む): 171732960

約数和(自身を除く): 91441984

約数列:

[1, 2, 4, 8, 16, 23, 32, 43, 46, 59, 86, 92, 118, 172, 184, 236, 344, 368, 472, 688, 736, 944, 989, 1357, 1376, 1849, 1888, 1978, 2537, 2714, 3698, 3956, 5074, 5428, 7396, 7912, 10148, 10856, 14792, 15824, 20296, 21712, 29584, 31648, 40592, 42527, 43424, 58351, 59168, 81184, 85054, 109091, 116702, 170108, 218182, 233404, 340216, 436364, 466808, 680432, 872728, 933616, 1360864, 1745456, 1867232, 2509093, 3490912, 5018186, 10036372, 20072744, 40145488, 80290976]

約数ペア:

[(1, 80290976), (2, 40145488), (4, 20072744), (8, 10036372), (16, 5018186), (23, 3490912), (32, 2509093), (43, 1867232), (46, 1745456), (59, 1360864), (86, 933616), (92, 872728), (118, 680432), (172, 466808), (184, 436364), (236, 340216), (344, 233404), (368, 218182), (472, 170108), (688, 116702), (736, 109091), (944, 85054), (989, 81184), (1357, 59168), (1376, 58351), (1849, 43424), (1888, 42527), (1978, 40592), (2537, 31648), (2714, 29584), (3698, 21712), (3956, 20296), (5074, 15824), (5428, 14792), (7396, 10856), (7912, 10148)]