8208080

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1$

素因数の和:156

約数の個数: 80

約数和(自身を含む): 20355840

約数和(自身を除く): 12147760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 47, 59, 74, 80, 94, 118, 148, 185, 188, 235, 236, 295, 296, 370, 376, 470, 472, 590, 592, 740, 752, 940, 944, 1180, 1480, 1739, 1880, 2183, 2360, 2773, 2960, 3478, 3760, 4366, 4720, 5546, 6956, 8695, 8732, 10915, 11092, 13865, 13912, 17390, 17464, 21830, 22184, 27730, 27824, 34780, 34928, 43660, 44368, 55460, 69560, 87320, 102601, 110920, 139120, 174640, 205202, 221840, 410404, 513005, 820808, 1026010, 1641616, 2052020, 4104040, 8208080]

約数ペア:

[(1, 8208080), (2, 4104040), (4, 2052020), (5, 1641616), (8, 1026010), (10, 820808), (16, 513005), (20, 410404), (37, 221840), (40, 205202), (47, 174640), (59, 139120), (74, 110920), (80, 102601), (94, 87320), (118, 69560), (148, 55460), (185, 44368), (188, 43660), (235, 34928), (236, 34780), (295, 27824), (296, 27730), (370, 22184), (376, 21830), (470, 17464), (472, 17390), (590, 13912), (592, 13865), (740, 11092), (752, 10915), (940, 8732), (944, 8695), (1180, 6956), (1480, 5546), (1739, 4720), (1880, 4366), (2183, 3760), (2360, 3478), (2773, 2960)]