12445060

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{499}}^1$

素因数の和:580

約数の個数: 48

約数和(自身を含む): 27720000

約数和(自身を除く): 15274940

約数列:

[1, 2, 4, 5, 10, 20, 29, 43, 58, 86, 116, 145, 172, 215, 290, 430, 499, 580, 860, 998, 1247, 1996, 2494, 2495, 4988, 4990, 6235, 9980, 12470, 14471, 21457, 24940, 28942, 42914, 57884, 72355, 85828, 107285, 144710, 214570, 289420, 429140, 622253, 1244506, 2489012, 3111265, 6222530, 12445060]

約数ペア:

[(1, 12445060), (2, 6222530), (4, 3111265), (5, 2489012), (10, 1244506), (20, 622253), (29, 429140), (43, 289420), (58, 214570), (86, 144710), (116, 107285), (145, 85828), (172, 72355), (215, 57884), (290, 42914), (430, 28942), (499, 24940), (580, 21457), (860, 14471), (998, 12470), (1247, 9980), (1996, 6235), (2494, 4990), (2495, 4988)]