5191520

素因数分解:

$2^5\times 5^1\times {\mathrm{71}}^1\times {\mathrm{457}}^1$

素因数の和:543

約数の個数: 48

約数和(自身を含む): 12464928

約数和(自身を除く): 7273408

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 71, 80, 142, 160, 284, 355, 457, 568, 710, 914, 1136, 1420, 1828, 2272, 2285, 2840, 3656, 4570, 5680, 7312, 9140, 11360, 14624, 18280, 32447, 36560, 64894, 73120, 129788, 162235, 259576, 324470, 519152, 648940, 1038304, 1297880, 2595760, 5191520]

約数ペア:

[(1, 5191520), (2, 2595760), (4, 1297880), (5, 1038304), (8, 648940), (10, 519152), (16, 324470), (20, 259576), (32, 162235), (40, 129788), (71, 73120), (80, 64894), (142, 36560), (160, 32447), (284, 18280), (355, 14624), (457, 11360), (568, 9140), (710, 7312), (914, 5680), (1136, 4570), (1420, 3656), (1828, 2840), (2272, 2285)]