69808240

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{21283}}^1$

素因数の和:21337

約数の個数: 40

約数和(自身を含む): 166270608

約数和(自身を除く): 96462368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 21283, 42566, 85132, 106415, 170264, 212830, 340528, 425660, 851320, 872603, 1702640, 1745206, 3490412, 4363015, 6980824, 8726030, 13961648, 17452060, 34904120, 69808240]

約数ペア:

[(1, 69808240), (2, 34904120), (4, 17452060), (5, 13961648), (8, 8726030), (10, 6980824), (16, 4363015), (20, 3490412), (40, 1745206), (41, 1702640), (80, 872603), (82, 851320), (164, 425660), (205, 340528), (328, 212830), (410, 170264), (656, 106415), (820, 85132), (1640, 42566), (3280, 21283)]