12381280

素因数分解:

$2^5\times 5^1\times {\mathrm{77383}}^1$

素因数の和:77398

約数の個数: 24

約数和(自身を含む): 29251152

約数和(自身を除く): 16869872

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 77383, 154766, 309532, 386915, 619064, 773830, 1238128, 1547660, 2476256, 3095320, 6190640, 12381280]

約数ペア:

[(1, 12381280), (2, 6190640), (4, 3095320), (5, 2476256), (8, 1547660), (10, 1238128), (16, 773830), (20, 619064), (32, 386915), (40, 309532), (80, 154766), (160, 77383)]