20177697425

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{6761}}^1$

素因数の和:6954

約数の個数: 48

約数和(自身を含む): 27032853120

約数和(自身を除く): 6855155695

約数列:

[1, 5, 19, 25, 61, 95, 103, 305, 475, 515, 1159, 1525, 1957, 2575, 5795, 6283, 6761, 9785, 28975, 31415, 33805, 48925, 119377, 128459, 157075, 169025, 412421, 596885, 642295, 696383, 2062105, 2984425, 3211475, 3481915, 7835999, 10310525, 13231277, 17409575, 39179995, 42479363, 66156385, 195899975, 212396815, 330781925, 807107897, 1061984075, 4035539485, 20177697425]

約数ペア:

[(1, 20177697425), (5, 4035539485), (19, 1061984075), (25, 807107897), (61, 330781925), (95, 212396815), (103, 195899975), (305, 66156385), (475, 42479363), (515, 39179995), (1159, 17409575), (1525, 13231277), (1957, 10310525), (2575, 7835999), (5795, 3481915), (6283, 3211475), (6761, 2984425), (9785, 2062105), (28975, 696383), (31415, 642295), (33805, 596885), (48925, 412421), (119377, 169025), (128459, 157075)]