25897220

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{14549}}^1$

素因数の和:14647

約数の個数: 24

約数和(自身を含む): 54999000

約数和(自身を除く): 29101780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 14549, 29098, 58196, 72745, 145490, 290980, 1294861, 2589722, 5179444, 6474305, 12948610, 25897220]

約数ペア:

[(1, 25897220), (2, 12948610), (4, 6474305), (5, 5179444), (10, 2589722), (20, 1294861), (89, 290980), (178, 145490), (356, 72745), (445, 58196), (890, 29098), (1780, 14549)]