5280531980

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1493}}^1\times {\mathrm{1987}}^1$

素因数の和:3578

約数の個数: 48

約数和(自身を含む): 11226872160

約数和(自身を除く): 5946340180

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1493, 1780, 1987, 2986, 3974, 5972, 7465, 7948, 9935, 14930, 19870, 29860, 39740, 132877, 176843, 265754, 353686, 531508, 664385, 707372, 884215, 1328770, 1768430, 2657540, 2966591, 3536860, 5933182, 11866364, 14832955, 29665910, 59331820, 264026599, 528053198, 1056106396, 1320132995, 2640265990, 5280531980]

約数ペア:

[(1, 5280531980), (2, 2640265990), (4, 1320132995), (5, 1056106396), (10, 528053198), (20, 264026599), (89, 59331820), (178, 29665910), (356, 14832955), (445, 11866364), (890, 5933182), (1493, 3536860), (1780, 2966591), (1987, 2657540), (2986, 1768430), (3974, 1328770), (5972, 884215), (7465, 707372), (7948, 664385), (9935, 531508), (14930, 353686), (19870, 265754), (29860, 176843), (39740, 132877)]