90019240

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{97847}}^1$

素因数の和:97881

約数の個数: 32

約数和(自身を含む): 211351680

約数和(自身を除く): 121332440

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 97847, 195694, 391388, 489235, 782776, 978470, 1956940, 2250481, 3913880, 4500962, 9001924, 11252405, 18003848, 22504810, 45009620, 90019240]

約数ペア:

[(1, 90019240), (2, 45009620), (4, 22504810), (5, 18003848), (8, 11252405), (10, 9001924), (20, 4500962), (23, 3913880), (40, 2250481), (46, 1956940), (92, 978470), (115, 782776), (184, 489235), (230, 391388), (460, 195694), (920, 97847)]