39880048

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{1759}}^1$

素因数の和:1889

約数の個数: 40

約数和(自身を含む): 84022400

約数和(自身を除く): 44142352

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 109, 208, 218, 436, 872, 1417, 1744, 1759, 2834, 3518, 5668, 7036, 11336, 14072, 22672, 22867, 28144, 45734, 91468, 182936, 191731, 365872, 383462, 766924, 1533848, 2492503, 3067696, 4985006, 9970012, 19940024, 39880048]

約数ペア:

[(1, 39880048), (2, 19940024), (4, 9970012), (8, 4985006), (13, 3067696), (16, 2492503), (26, 1533848), (52, 766924), (104, 383462), (109, 365872), (208, 191731), (218, 182936), (436, 91468), (872, 45734), (1417, 28144), (1744, 22867), (1759, 22672), (2834, 14072), (3518, 11336), (5668, 7036)]