68628260

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{659}}^1$

素因数の和:836

約数の個数: 48

約数和(自身を含む): 149022720

約数和(自身を除く): 80394460

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 127, 164, 205, 254, 410, 508, 635, 659, 820, 1270, 1318, 2540, 2636, 3295, 5207, 6590, 10414, 13180, 20828, 26035, 27019, 52070, 54038, 83693, 104140, 108076, 135095, 167386, 270190, 334772, 418465, 540380, 836930, 1673860, 3431413, 6862826, 13725652, 17157065, 34314130, 68628260]

約数ペア:

[(1, 68628260), (2, 34314130), (4, 17157065), (5, 13725652), (10, 6862826), (20, 3431413), (41, 1673860), (82, 836930), (127, 540380), (164, 418465), (205, 334772), (254, 270190), (410, 167386), (508, 135095), (635, 108076), (659, 104140), (820, 83693), (1270, 54038), (1318, 52070), (2540, 27019), (2636, 26035), (3295, 20828), (5207, 13180), (6590, 10414)]