82188880

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{223}}^1\times {\mathrm{271}}^1$

素因数の和:524

約数の個数: 80

約数和(自身を含む): 203986944

約数和(自身を除く): 121798064

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 223, 271, 272, 340, 446, 542, 680, 892, 1084, 1115, 1355, 1360, 1784, 2168, 2230, 2710, 3568, 3791, 4336, 4460, 4607, 5420, 7582, 8920, 9214, 10840, 15164, 17840, 18428, 18955, 21680, 23035, 30328, 36856, 37910, 46070, 60433, 60656, 73712, 75820, 92140, 120866, 151640, 184280, 241732, 302165, 303280, 368560, 483464, 604330, 966928, 1027361, 1208660, 2054722, 2417320, 4109444, 4834640, 5136805, 8218888, 10273610, 16437776, 20547220, 41094440, 82188880]

約数ペア:

[(1, 82188880), (2, 41094440), (4, 20547220), (5, 16437776), (8, 10273610), (10, 8218888), (16, 5136805), (17, 4834640), (20, 4109444), (34, 2417320), (40, 2054722), (68, 1208660), (80, 1027361), (85, 966928), (136, 604330), (170, 483464), (223, 368560), (271, 303280), (272, 302165), (340, 241732), (446, 184280), (542, 151640), (680, 120866), (892, 92140), (1084, 75820), (1115, 73712), (1355, 60656), (1360, 60433), (1784, 46070), (2168, 37910), (2230, 36856), (2710, 30328), (3568, 23035), (3791, 21680), (4336, 18955), (4460, 18428), (4607, 17840), (5420, 15164), (7582, 10840), (8920, 9214)]