81120272

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{347}}^1\times {\mathrm{769}}^1$

素因数の和:1143

約数の個数: 40

約数和(自身を含む): 166135200

約数和(自身を除く): 85014928

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 347, 694, 769, 1388, 1538, 2776, 3076, 5552, 6152, 6593, 12304, 13186, 14611, 26372, 29222, 52744, 58444, 105488, 116888, 233776, 266843, 533686, 1067372, 2134744, 4269488, 5070017, 10140034, 20280068, 40560136, 81120272]

約数ペア:

[(1, 81120272), (2, 40560136), (4, 20280068), (8, 10140034), (16, 5070017), (19, 4269488), (38, 2134744), (76, 1067372), (152, 533686), (304, 266843), (347, 233776), (694, 116888), (769, 105488), (1388, 58444), (1538, 52744), (2776, 29222), (3076, 26372), (5552, 14611), (6152, 13186), (6593, 12304)]