26308340

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{191}}^1$

素因数の和:368

約数の個数: 48

約数和(自身を含む): 56899584

約数和(自身を除く): 30591244

約数列:

[1, 2, 4, 5, 10, 20, 71, 97, 142, 191, 194, 284, 355, 382, 388, 485, 710, 764, 955, 970, 1420, 1910, 1940, 3820, 6887, 13561, 13774, 18527, 27122, 27548, 34435, 37054, 54244, 67805, 68870, 74108, 92635, 135610, 137740, 185270, 271220, 370540, 1315417, 2630834, 5261668, 6577085, 13154170, 26308340]

約数ペア:

[(1, 26308340), (2, 13154170), (4, 6577085), (5, 5261668), (10, 2630834), (20, 1315417), (71, 370540), (97, 271220), (142, 185270), (191, 137740), (194, 135610), (284, 92635), (355, 74108), (382, 68870), (388, 67805), (485, 54244), (710, 37054), (764, 34435), (955, 27548), (970, 27122), (1420, 18527), (1910, 13774), (1940, 13561), (3820, 6887)]