13123700

素因数分解:

$2^2\times 5^2\times {\mathrm{263}}^1\times {\mathrm{499}}^1$

素因数の和:776

約数の個数: 36

約数和(自身を含む): 28644000

約数和(自身を除く): 15520300

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 263, 499, 526, 998, 1052, 1315, 1996, 2495, 2630, 4990, 5260, 6575, 9980, 12475, 13150, 24950, 26300, 49900, 131237, 262474, 524948, 656185, 1312370, 2624740, 3280925, 6561850, 13123700]

約数ペア:

[(1, 13123700), (2, 6561850), (4, 3280925), (5, 2624740), (10, 1312370), (20, 656185), (25, 524948), (50, 262474), (100, 131237), (263, 49900), (499, 26300), (526, 24950), (998, 13150), (1052, 12475), (1315, 9980), (1996, 6575), (2495, 5260), (2630, 4990)]