42705080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1367}}^1$

素因数の和:1460

約数の個数: 64

約数和(自身を含む): 106375680

約数和(自身を除く): 63670600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 71, 88, 110, 142, 220, 284, 355, 440, 568, 710, 781, 1367, 1420, 1562, 2734, 2840, 3124, 3905, 5468, 6248, 6835, 7810, 10936, 13670, 15037, 15620, 27340, 30074, 31240, 54680, 60148, 75185, 97057, 120296, 150370, 194114, 300740, 388228, 485285, 601480, 776456, 970570, 1067627, 1941140, 2135254, 3882280, 4270508, 5338135, 8541016, 10676270, 21352540, 42705080]

約数ペア:

[(1, 42705080), (2, 21352540), (4, 10676270), (5, 8541016), (8, 5338135), (10, 4270508), (11, 3882280), (20, 2135254), (22, 1941140), (40, 1067627), (44, 970570), (55, 776456), (71, 601480), (88, 485285), (110, 388228), (142, 300740), (220, 194114), (284, 150370), (355, 120296), (440, 97057), (568, 75185), (710, 60148), (781, 54680), (1367, 31240), (1420, 30074), (1562, 27340), (2734, 15620), (2840, 15037), (3124, 13670), (3905, 10936), (5468, 7810), (6248, 6835)]