80027792

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{5419}}^1$

素因数の和:5511

約数の個数: 40

約数和(自身を含む): 169364160

約数和(自身を除く): 89336368

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 71, 104, 142, 208, 284, 568, 923, 1136, 1846, 3692, 5419, 7384, 10838, 14768, 21676, 43352, 70447, 86704, 140894, 281788, 384749, 563576, 769498, 1127152, 1538996, 3077992, 5001737, 6155984, 10003474, 20006948, 40013896, 80027792]

約数ペア:

[(1, 80027792), (2, 40013896), (4, 20006948), (8, 10003474), (13, 6155984), (16, 5001737), (26, 3077992), (52, 1538996), (71, 1127152), (104, 769498), (142, 563576), (208, 384749), (284, 281788), (568, 140894), (923, 86704), (1136, 70447), (1846, 43352), (3692, 21676), (5419, 14768), (7384, 10838)]