2581036760

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1283}}^1\times {\mathrm{2647}}^1$

素因数の和:3960

約数の個数: 64

約数和(自身を含む): 6120057600

約数和(自身を除く): 3539020840

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 1283, 2566, 2647, 5132, 5294, 6415, 10264, 10588, 12830, 13235, 21176, 24377, 25660, 26470, 48754, 50293, 51320, 52940, 97508, 100586, 105880, 121885, 195016, 201172, 243770, 251465, 402344, 487540, 502930, 975080, 1005860, 2011720, 3396101, 6792202, 13584404, 16980505, 27168808, 33961010, 64525919, 67922020, 129051838, 135844040, 258103676, 322629595, 516207352, 645259190, 1290518380, 2581036760]

約数ペア:

[(1, 2581036760), (2, 1290518380), (4, 645259190), (5, 516207352), (8, 322629595), (10, 258103676), (19, 135844040), (20, 129051838), (38, 67922020), (40, 64525919), (76, 33961010), (95, 27168808), (152, 16980505), (190, 13584404), (380, 6792202), (760, 3396101), (1283, 2011720), (2566, 1005860), (2647, 975080), (5132, 502930), (5294, 487540), (6415, 402344), (10264, 251465), (10588, 243770), (12830, 201172), (13235, 195016), (21176, 121885), (24377, 105880), (25660, 100586), (26470, 97508), (48754, 52940), (50293, 51320)]