39784580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{1301}}^1$

素因数の和:1460

約数の個数: 48

約数和(自身を含む): 91869120

約数和(自身を除く): 52084540

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 139, 220, 278, 556, 695, 1301, 1390, 1529, 2602, 2780, 3058, 5204, 6116, 6505, 7645, 13010, 14311, 15290, 26020, 28622, 30580, 57244, 71555, 143110, 180839, 286220, 361678, 723356, 904195, 1808390, 1989229, 3616780, 3978458, 7956916, 9946145, 19892290, 39784580]

約数ペア:

[(1, 39784580), (2, 19892290), (4, 9946145), (5, 7956916), (10, 3978458), (11, 3616780), (20, 1989229), (22, 1808390), (44, 904195), (55, 723356), (110, 361678), (139, 286220), (220, 180839), (278, 143110), (556, 71555), (695, 57244), (1301, 30580), (1390, 28622), (1529, 26020), (2602, 15290), (2780, 14311), (3058, 13010), (5204, 7645), (6116, 6505)]