90686810

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{25121}}^1$

素因数の和:25166

約数の個数: 24

約数和(自身を含む): 172286676

約数和(自身を除く): 81599866

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 361, 722, 1805, 3610, 25121, 50242, 125605, 251210, 477299, 954598, 2386495, 4772990, 9068681, 18137362, 45343405, 90686810]

約数ペア:

[(1, 90686810), (2, 45343405), (5, 18137362), (10, 9068681), (19, 4772990), (38, 2386495), (95, 954598), (190, 477299), (361, 251210), (722, 125605), (1805, 50242), (3610, 25121)]