42158120

素因数分解:

$2^3\times 5^1\times {\mathrm{1053953}}^1$

素因数の和:1053964

約数の個数: 16

約数和(自身を含む): 94855860

約数和(自身を除く): 52697740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1053953, 2107906, 4215812, 5269765, 8431624, 10539530, 21079060, 42158120]

約数ペア:

[(1, 42158120), (2, 21079060), (4, 10539530), (5, 8431624), (8, 5269765), (10, 4215812), (20, 2107906), (40, 1053953)]