55753840

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{193}}^1$

素因数の和:386

約数の個数: 80

約数和(自身を含む): 136830528

約数和(自身を除く): 81076688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 157, 184, 193, 230, 314, 368, 386, 460, 628, 772, 785, 920, 965, 1256, 1544, 1570, 1840, 1930, 2512, 3088, 3140, 3611, 3860, 4439, 6280, 7222, 7720, 8878, 12560, 14444, 15440, 17756, 18055, 22195, 28888, 30301, 35512, 36110, 44390, 57776, 60602, 71024, 72220, 88780, 121204, 144440, 151505, 177560, 242408, 288880, 303010, 355120, 484816, 606020, 696923, 1212040, 1393846, 2424080, 2787692, 3484615, 5575384, 6969230, 11150768, 13938460, 27876920, 55753840]

約数ペア:

[(1, 55753840), (2, 27876920), (4, 13938460), (5, 11150768), (8, 6969230), (10, 5575384), (16, 3484615), (20, 2787692), (23, 2424080), (40, 1393846), (46, 1212040), (80, 696923), (92, 606020), (115, 484816), (157, 355120), (184, 303010), (193, 288880), (230, 242408), (314, 177560), (368, 151505), (386, 144440), (460, 121204), (628, 88780), (772, 72220), (785, 71024), (920, 60602), (965, 57776), (1256, 44390), (1544, 36110), (1570, 35512), (1840, 30301), (1930, 28888), (2512, 22195), (3088, 18055), (3140, 17756), (3611, 15440), (3860, 14444), (4439, 12560), (6280, 8878), (7222, 7720)]