13216960

素因数分解:

$2^6\times 5^1\times {\mathrm{103}}^1\times {\mathrm{401}}^1$

素因数の和:521

約数の個数: 56

約数和(自身を含む): 31857696

約数和(自身を除く): 18640736

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 103, 160, 206, 320, 401, 412, 515, 802, 824, 1030, 1604, 1648, 2005, 2060, 3208, 3296, 4010, 4120, 6416, 6592, 8020, 8240, 12832, 16040, 16480, 25664, 32080, 32960, 41303, 64160, 82606, 128320, 165212, 206515, 330424, 413030, 660848, 826060, 1321696, 1652120, 2643392, 3304240, 6608480, 13216960]

約数ペア:

[(1, 13216960), (2, 6608480), (4, 3304240), (5, 2643392), (8, 1652120), (10, 1321696), (16, 826060), (20, 660848), (32, 413030), (40, 330424), (64, 206515), (80, 165212), (103, 128320), (160, 82606), (206, 64160), (320, 41303), (401, 32960), (412, 32080), (515, 25664), (802, 16480), (824, 16040), (1030, 12832), (1604, 8240), (1648, 8020), (2005, 6592), (2060, 6416), (3208, 4120), (3296, 4010)]