40127780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{367}}^1$

素因数の和:465

約数の個数: 96

約数和(自身を含む): 106831872

約数和(自身を除く): 66704092

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 71, 77, 110, 140, 142, 154, 220, 284, 308, 355, 367, 385, 497, 710, 734, 770, 781, 994, 1420, 1468, 1540, 1562, 1835, 1988, 2485, 2569, 3124, 3670, 3905, 4037, 4970, 5138, 5467, 7340, 7810, 8074, 9940, 10276, 10934, 12845, 15620, 16148, 20185, 21868, 25690, 26057, 27335, 28259, 40370, 51380, 52114, 54670, 56518, 80740, 104228, 109340, 113036, 130285, 141295, 182399, 260570, 282590, 286627, 364798, 521140, 565180, 573254, 729596, 911995, 1146508, 1433135, 1823990, 2006389, 2866270, 3647980, 4012778, 5732540, 8025556, 10031945, 20063890, 40127780]

約数ペア:

[(1, 40127780), (2, 20063890), (4, 10031945), (5, 8025556), (7, 5732540), (10, 4012778), (11, 3647980), (14, 2866270), (20, 2006389), (22, 1823990), (28, 1433135), (35, 1146508), (44, 911995), (55, 729596), (70, 573254), (71, 565180), (77, 521140), (110, 364798), (140, 286627), (142, 282590), (154, 260570), (220, 182399), (284, 141295), (308, 130285), (355, 113036), (367, 109340), (385, 104228), (497, 80740), (710, 56518), (734, 54670), (770, 52114), (781, 51380), (994, 40370), (1420, 28259), (1468, 27335), (1540, 26057), (1562, 25690), (1835, 21868), (1988, 20185), (2485, 16148), (2569, 15620), (3124, 12845), (3670, 10934), (3905, 10276), (4037, 9940), (4970, 8074), (5138, 7810), (5467, 7340)]