80223080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{12457}}^1$

素因数の和:12498

約数の個数: 64

約数和(自身を含む): 215274240

約数和(自身を除く): 135051160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 230, 280, 322, 460, 644, 805, 920, 1288, 1610, 3220, 6440, 12457, 24914, 49828, 62285, 87199, 99656, 124570, 174398, 249140, 286511, 348796, 435995, 498280, 573022, 697592, 871990, 1146044, 1432555, 1743980, 2005577, 2292088, 2865110, 3487960, 4011154, 5730220, 8022308, 10027885, 11460440, 16044616, 20055770, 40111540, 80223080]

約数ペア:

[(1, 80223080), (2, 40111540), (4, 20055770), (5, 16044616), (7, 11460440), (8, 10027885), (10, 8022308), (14, 5730220), (20, 4011154), (23, 3487960), (28, 2865110), (35, 2292088), (40, 2005577), (46, 1743980), (56, 1432555), (70, 1146044), (92, 871990), (115, 697592), (140, 573022), (161, 498280), (184, 435995), (230, 348796), (280, 286511), (322, 249140), (460, 174398), (644, 124570), (805, 99656), (920, 87199), (1288, 62285), (1610, 49828), (3220, 24914), (6440, 12457)]