80498236

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:243

約数の個数: 96

約数和(自身を含む): 183518720

約数和(自身を除く): 103020484

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 37, 43, 52, 74, 86, 91, 139, 148, 172, 182, 259, 278, 301, 364, 481, 518, 556, 559, 602, 962, 973, 1036, 1118, 1204, 1591, 1807, 1924, 1946, 2236, 3182, 3367, 3614, 3892, 3913, 5143, 5977, 6364, 6734, 7228, 7826, 10286, 11137, 11954, 12649, 13468, 15652, 20572, 20683, 22274, 23908, 25298, 36001, 41366, 41839, 44548, 50596, 66859, 72002, 77701, 82732, 83678, 133718, 144004, 144781, 155402, 167356, 221149, 267436, 289562, 310804, 442298, 468013, 543907, 579124, 884596, 936026, 1087814, 1548043, 1872052, 2175628, 2874937, 3096086, 5749874, 6192172, 11499748, 20124559, 40249118, 80498236]

約数ペア:

[(1, 80498236), (2, 40249118), (4, 20124559), (7, 11499748), (13, 6192172), (14, 5749874), (26, 3096086), (28, 2874937), (37, 2175628), (43, 1872052), (52, 1548043), (74, 1087814), (86, 936026), (91, 884596), (139, 579124), (148, 543907), (172, 468013), (182, 442298), (259, 310804), (278, 289562), (301, 267436), (364, 221149), (481, 167356), (518, 155402), (556, 144781), (559, 144004), (602, 133718), (962, 83678), (973, 82732), (1036, 77701), (1118, 72002), (1204, 66859), (1591, 50596), (1807, 44548), (1924, 41839), (1946, 41366), (2236, 36001), (3182, 25298), (3367, 23908), (3614, 22274), (3892, 20683), (3913, 20572), (5143, 15652), (5977, 13468), (6364, 12649), (6734, 11954), (7228, 11137), (7826, 10286)]