80005044

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{103}}^1\times {\mathrm{1321}}^1$

素因数の和:1445

約数の個数: 72

約数和(自身を含む): 219430848

約数和(自身を除く): 139425804

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 103, 147, 196, 206, 294, 309, 412, 588, 618, 721, 1236, 1321, 1442, 2163, 2642, 2884, 3963, 4326, 5047, 5284, 7926, 8652, 9247, 10094, 15141, 15852, 18494, 20188, 27741, 30282, 36988, 55482, 60564, 64729, 110964, 129458, 136063, 194187, 258916, 272126, 388374, 408189, 544252, 776748, 816378, 952441, 1632756, 1904882, 2857323, 3809764, 5714646, 6667087, 11429292, 13334174, 20001261, 26668348, 40002522, 80005044]

約数ペア:

[(1, 80005044), (2, 40002522), (3, 26668348), (4, 20001261), (6, 13334174), (7, 11429292), (12, 6667087), (14, 5714646), (21, 3809764), (28, 2857323), (42, 1904882), (49, 1632756), (84, 952441), (98, 816378), (103, 776748), (147, 544252), (196, 408189), (206, 388374), (294, 272126), (309, 258916), (412, 194187), (588, 136063), (618, 129458), (721, 110964), (1236, 64729), (1321, 60564), (1442, 55482), (2163, 36988), (2642, 30282), (2884, 27741), (3963, 20188), (4326, 18494), (5047, 15852), (5284, 15141), (7926, 10094), (8652, 9247)]