12913300

素因数分解:

$2^2\times 5^2\times {\mathrm{263}}^1\times {\mathrm{491}}^1$

素因数の和:768

約数の個数: 36

約数和(自身を含む): 28185696

約数和(自身を除く): 15272396

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 263, 491, 526, 982, 1052, 1315, 1964, 2455, 2630, 4910, 5260, 6575, 9820, 12275, 13150, 24550, 26300, 49100, 129133, 258266, 516532, 645665, 1291330, 2582660, 3228325, 6456650, 12913300]

約数ペア:

[(1, 12913300), (2, 6456650), (4, 3228325), (5, 2582660), (10, 1291330), (20, 645665), (25, 516532), (50, 258266), (100, 129133), (263, 49100), (491, 26300), (526, 24550), (982, 13150), (1052, 12275), (1315, 9820), (1964, 6575), (2455, 5260), (2630, 4910)]