55164320

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^2\times {\mathrm{1193}}^1$

素因数の和:1242

約数の個数: 72

約数和(自身を含む): 138558924

約数和(自身を除く): 83394604

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 289, 340, 544, 578, 680, 1156, 1193, 1360, 1445, 2312, 2386, 2720, 2890, 4624, 4772, 5780, 5965, 9248, 9544, 11560, 11930, 19088, 20281, 23120, 23860, 38176, 40562, 46240, 47720, 81124, 95440, 101405, 162248, 190880, 202810, 324496, 344777, 405620, 648992, 689554, 811240, 1379108, 1622480, 1723885, 2758216, 3244960, 3447770, 5516432, 6895540, 11032864, 13791080, 27582160, 55164320]

約数ペア:

[(1, 55164320), (2, 27582160), (4, 13791080), (5, 11032864), (8, 6895540), (10, 5516432), (16, 3447770), (17, 3244960), (20, 2758216), (32, 1723885), (34, 1622480), (40, 1379108), (68, 811240), (80, 689554), (85, 648992), (136, 405620), (160, 344777), (170, 324496), (272, 202810), (289, 190880), (340, 162248), (544, 101405), (578, 95440), (680, 81124), (1156, 47720), (1193, 46240), (1360, 40562), (1445, 38176), (2312, 23860), (2386, 23120), (2720, 20281), (2890, 19088), (4624, 11930), (4772, 11560), (5780, 9544), (5965, 9248)]