81461300

素因数分解:

$2^2\times 5^2\times {\mathrm{59}}^1\times {\mathrm{13807}}^1$

素因数の和:13880

約数の個数: 36

約数和(自身を含む): 179780160

約数和(自身を除く): 98318860

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 59, 100, 118, 236, 295, 590, 1180, 1475, 2950, 5900, 13807, 27614, 55228, 69035, 138070, 276140, 345175, 690350, 814613, 1380700, 1629226, 3258452, 4073065, 8146130, 16292260, 20365325, 40730650, 81461300]

約数ペア:

[(1, 81461300), (2, 40730650), (4, 20365325), (5, 16292260), (10, 8146130), (20, 4073065), (25, 3258452), (50, 1629226), (59, 1380700), (100, 814613), (118, 690350), (236, 345175), (295, 276140), (590, 138070), (1180, 69035), (1475, 55228), (2950, 27614), (5900, 13807)]