213301840

素因数分解:

$2^4\times 5^1\times {\mathrm{2666273}}^1$

素因数の和:2666286

約数の個数: 20

約数和(自身を含む): 495926964

約数和(自身を除く): 282625124

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2666273, 5332546, 10665092, 13331365, 21330184, 26662730, 42660368, 53325460, 106650920, 213301840]

約数ペア:

[(1, 213301840), (2, 106650920), (4, 53325460), (5, 42660368), (8, 26662730), (10, 21330184), (16, 13331365), (20, 10665092), (40, 5332546), (80, 2666273)]