40360520

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{9257}}^1$

素因数の和:9377

約数の個数: 32

約数和(自身を含む): 91654200

約数和(自身を除く): 51293680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 9257, 18514, 37028, 46285, 74056, 92570, 185140, 370280, 1009013, 2018026, 4036052, 5045065, 8072104, 10090130, 20180260, 40360520]

約数ペア:

[(1, 40360520), (2, 20180260), (4, 10090130), (5, 8072104), (8, 5045065), (10, 4036052), (20, 2018026), (40, 1009013), (109, 370280), (218, 185140), (436, 92570), (545, 74056), (872, 46285), (1090, 37028), (2180, 18514), (4360, 9257)]