80481968

素因数分解:

$2^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{199}}^1$

素因数の和:394

約数の個数: 80

約数和(自身を含む): 188083200

約数和(自身を除く): 107601232

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 46, 56, 92, 112, 157, 161, 184, 199, 314, 322, 368, 398, 628, 644, 796, 1099, 1256, 1288, 1393, 1592, 2198, 2512, 2576, 2786, 3184, 3611, 4396, 4577, 5572, 7222, 8792, 9154, 11144, 14444, 17584, 18308, 22288, 25277, 28888, 31243, 32039, 36616, 50554, 57776, 62486, 64078, 73232, 101108, 124972, 128156, 202216, 218701, 249944, 256312, 404432, 437402, 499888, 512624, 718589, 874804, 1437178, 1749608, 2874356, 3499216, 5030123, 5748712, 10060246, 11497424, 20120492, 40240984, 80481968]

約数ペア:

[(1, 80481968), (2, 40240984), (4, 20120492), (7, 11497424), (8, 10060246), (14, 5748712), (16, 5030123), (23, 3499216), (28, 2874356), (46, 1749608), (56, 1437178), (92, 874804), (112, 718589), (157, 512624), (161, 499888), (184, 437402), (199, 404432), (314, 256312), (322, 249944), (368, 218701), (398, 202216), (628, 128156), (644, 124972), (796, 101108), (1099, 73232), (1256, 64078), (1288, 62486), (1393, 57776), (1592, 50554), (2198, 36616), (2512, 32039), (2576, 31243), (2786, 28888), (3184, 25277), (3611, 22288), (4396, 18308), (4577, 17584), (5572, 14444), (7222, 11144), (8792, 9154)]