25401680

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{10949}}^1$

素因数の和:10991

約数の個数: 40

約数和(自身を含む): 61101000

約数和(自身を除く): 35699320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 10949, 21898, 43796, 54745, 87592, 109490, 175184, 218980, 317521, 437960, 635042, 875920, 1270084, 1587605, 2540168, 3175210, 5080336, 6350420, 12700840, 25401680]

約数ペア:

[(1, 25401680), (2, 12700840), (4, 6350420), (5, 5080336), (8, 3175210), (10, 2540168), (16, 1587605), (20, 1270084), (29, 875920), (40, 635042), (58, 437960), (80, 317521), (116, 218980), (145, 175184), (232, 109490), (290, 87592), (464, 54745), (580, 43796), (1160, 21898), (2320, 10949)]