42640880

素因数分解:

$2^4\times 5^1\times {\mathrm{533011}}^1$

素因数の和:533024

約数の個数: 20

約数和(自身を含む): 99140232

約数和(自身を除く): 56499352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 533011, 1066022, 2132044, 2665055, 4264088, 5330110, 8528176, 10660220, 21320440, 42640880]

約数ペア:

[(1, 42640880), (2, 21320440), (4, 10660220), (5, 8528176), (8, 5330110), (10, 4264088), (16, 2665055), (20, 2132044), (40, 1066022), (80, 533011)]