80821364

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{457}}^1$

素因数の和:672

約数の個数: 48

約数和(自身を含む): 161582400

約数和(自身を除く): 80761036

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 179, 247, 358, 457, 494, 716, 914, 988, 1828, 2327, 3401, 4654, 5941, 6802, 8683, 9308, 11882, 13604, 17366, 23764, 34732, 44213, 81803, 88426, 112879, 163606, 176852, 225758, 327212, 451516, 1063439, 1554257, 2126878, 3108514, 4253756, 6217028, 20205341, 40410682, 80821364]

約数ペア:

[(1, 80821364), (2, 40410682), (4, 20205341), (13, 6217028), (19, 4253756), (26, 3108514), (38, 2126878), (52, 1554257), (76, 1063439), (179, 451516), (247, 327212), (358, 225758), (457, 176852), (494, 163606), (716, 112879), (914, 88426), (988, 81803), (1828, 44213), (2327, 34732), (3401, 23764), (4654, 17366), (5941, 13604), (6802, 11882), (8683, 9308)]