68246960

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{20807}}^1$

素因数の和:20861

約数の個数: 40

約数和(自身を含む): 162552096

約数和(自身を除く): 94305136

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 20807, 41614, 83228, 104035, 166456, 208070, 332912, 416140, 832280, 853087, 1664560, 1706174, 3412348, 4265435, 6824696, 8530870, 13649392, 17061740, 34123480, 68246960]

約数ペア:

[(1, 68246960), (2, 34123480), (4, 17061740), (5, 13649392), (8, 8530870), (10, 6824696), (16, 4265435), (20, 3412348), (40, 1706174), (41, 1664560), (80, 853087), (82, 832280), (164, 416140), (205, 332912), (328, 208070), (410, 166456), (656, 104035), (820, 83228), (1640, 41614), (3280, 20807)]