24890120

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{499}}^1$

素因数の和:582

約数の個数: 64

約数和(自身を含む): 59400000

約数和(自身を除く): 34509880

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 43, 58, 86, 116, 145, 172, 215, 232, 290, 344, 430, 499, 580, 860, 998, 1160, 1247, 1720, 1996, 2494, 2495, 3992, 4988, 4990, 6235, 9976, 9980, 12470, 14471, 19960, 21457, 24940, 28942, 42914, 49880, 57884, 72355, 85828, 107285, 115768, 144710, 171656, 214570, 289420, 429140, 578840, 622253, 858280, 1244506, 2489012, 3111265, 4978024, 6222530, 12445060, 24890120]

約数ペア:

[(1, 24890120), (2, 12445060), (4, 6222530), (5, 4978024), (8, 3111265), (10, 2489012), (20, 1244506), (29, 858280), (40, 622253), (43, 578840), (58, 429140), (86, 289420), (116, 214570), (145, 171656), (172, 144710), (215, 115768), (232, 107285), (290, 85828), (344, 72355), (430, 57884), (499, 49880), (580, 42914), (860, 28942), (998, 24940), (1160, 21457), (1247, 19960), (1720, 14471), (1996, 12470), (2494, 9980), (2495, 9976), (3992, 6235), (4988, 4990)]