65512696280

素因数分解:

$2^3\times 5^1\times {\mathrm{491}}^1\times {\mathrm{3335677}}^1$

素因数の和:3336179

約数の個数: 32

約数和(自身を含む): 147703821840

約数和(自身を除く): 82191125560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 491, 982, 1964, 2455, 3928, 4910, 9820, 19640, 3335677, 6671354, 13342708, 16678385, 26685416, 33356770, 66713540, 133427080, 1637817407, 3275634814, 6551269628, 8189087035, 13102539256, 16378174070, 32756348140, 65512696280]

約数ペア:

[(1, 65512696280), (2, 32756348140), (4, 16378174070), (5, 13102539256), (8, 8189087035), (10, 6551269628), (20, 3275634814), (40, 1637817407), (491, 133427080), (982, 66713540), (1964, 33356770), (2455, 26685416), (3928, 16678385), (4910, 13342708), (9820, 6671354), (19640, 3335677)]