65873540

素因数分解:

$2^2\times 5^1\times {\mathrm{409}}^1\times {\mathrm{8053}}^1$

素因数の和:8471

約数の個数: 24

約数和(自身を含む): 138689880

約数和(自身を除く): 72816340

約数列:

[1, 2, 4, 5, 10, 20, 409, 818, 1636, 2045, 4090, 8053, 8180, 16106, 32212, 40265, 80530, 161060, 3293677, 6587354, 13174708, 16468385, 32936770, 65873540]

約数ペア:

[(1, 65873540), (2, 32936770), (4, 16468385), (5, 13174708), (10, 6587354), (20, 3293677), (409, 161060), (818, 80530), (1636, 40265), (2045, 32212), (4090, 16106), (8053, 8180)]