13162640

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{4013}}^1$

素因数の和:4067

約数の個数: 40

約数和(自身を含む): 31357368

約数和(自身を除く): 18194728

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 4013, 8026, 16052, 20065, 32104, 40130, 64208, 80260, 160520, 164533, 321040, 329066, 658132, 822665, 1316264, 1645330, 2632528, 3290660, 6581320, 13162640]

約数ペア:

[(1, 13162640), (2, 6581320), (4, 3290660), (5, 2632528), (8, 1645330), (10, 1316264), (16, 822665), (20, 658132), (40, 329066), (41, 321040), (80, 164533), (82, 160520), (164, 80260), (205, 64208), (328, 40130), (410, 32104), (656, 20065), (820, 16052), (1640, 8026), (3280, 4013)]