2022721640

素因数分解:

$2^3\times 5^1\times {\mathrm{5431}}^1\times {\mathrm{9311}}^1$

素因数の和:14753

約数の個数: 32

約数和(自身を含む): 4552450560

約数和(自身を除く): 2529728920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5431, 9311, 10862, 18622, 21724, 27155, 37244, 43448, 46555, 54310, 74488, 93110, 108620, 186220, 217240, 372440, 50568041, 101136082, 202272164, 252840205, 404544328, 505680410, 1011360820, 2022721640]

約数ペア:

[(1, 2022721640), (2, 1011360820), (4, 505680410), (5, 404544328), (8, 252840205), (10, 202272164), (20, 101136082), (40, 50568041), (5431, 372440), (9311, 217240), (10862, 186220), (18622, 108620), (21724, 93110), (27155, 74488), (37244, 54310), (43448, 46555)]