83986520

素因数分解:

$2^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{10993}}^1$

素因数の和:11195

約数の個数: 32

約数和(自身を含む): 189976320

約数和(自身を除く): 105989800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 191, 382, 764, 955, 1528, 1910, 3820, 7640, 10993, 21986, 43972, 54965, 87944, 109930, 219860, 439720, 2099663, 4199326, 8398652, 10498315, 16797304, 20996630, 41993260, 83986520]

約数ペア:

[(1, 83986520), (2, 41993260), (4, 20996630), (5, 16797304), (8, 10498315), (10, 8398652), (20, 4199326), (40, 2099663), (191, 439720), (382, 219860), (764, 109930), (955, 87944), (1528, 54965), (1910, 43972), (3820, 21986), (7640, 10993)]