85850680

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{661}}^1$

素因数の和:880

約数の個数: 64

約数和(自身を含む): 205908480

約数和(自身を除く): 120057800

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 191, 340, 382, 661, 680, 764, 955, 1322, 1528, 1910, 2644, 3247, 3305, 3820, 5288, 6494, 6610, 7640, 11237, 12988, 13220, 16235, 22474, 25976, 26440, 32470, 44948, 56185, 64940, 89896, 112370, 126251, 129880, 224740, 252502, 449480, 505004, 631255, 1010008, 1262510, 2146267, 2525020, 4292534, 5050040, 8585068, 10731335, 17170136, 21462670, 42925340, 85850680]

約数ペア:

[(1, 85850680), (2, 42925340), (4, 21462670), (5, 17170136), (8, 10731335), (10, 8585068), (17, 5050040), (20, 4292534), (34, 2525020), (40, 2146267), (68, 1262510), (85, 1010008), (136, 631255), (170, 505004), (191, 449480), (340, 252502), (382, 224740), (661, 129880), (680, 126251), (764, 112370), (955, 89896), (1322, 64940), (1528, 56185), (1910, 44948), (2644, 32470), (3247, 26440), (3305, 25976), (3820, 22474), (5288, 16235), (6494, 13220), (6610, 12988), (7640, 11237)]