42507380

素因数分解:

$2^2\times 5^1\times {\mathrm{269}}^1\times {\mathrm{7901}}^1$

素因数の和:8179

約数の個数: 24

約数和(自身を含む): 89608680

約数和(自身を除く): 47101300

約数列:

[1, 2, 4, 5, 10, 20, 269, 538, 1076, 1345, 2690, 5380, 7901, 15802, 31604, 39505, 79010, 158020, 2125369, 4250738, 8501476, 10626845, 21253690, 42507380]

約数ペア:

[(1, 42507380), (2, 21253690), (4, 10626845), (5, 8501476), (10, 4250738), (20, 2125369), (269, 158020), (538, 79010), (1076, 39505), (1345, 31604), (2690, 15802), (5380, 7901)]