42810100

素因数分解:

$2^2\times 5^2\times {\mathrm{79}}^1\times {\mathrm{5419}}^1$

素因数の和:5512

約数の個数: 36

約数和(自身を含む): 94091200

約数和(自身を除く): 51281100

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 79, 100, 158, 316, 395, 790, 1580, 1975, 3950, 5419, 7900, 10838, 21676, 27095, 54190, 108380, 135475, 270950, 428101, 541900, 856202, 1712404, 2140505, 4281010, 8562020, 10702525, 21405050, 42810100]

約数ペア:

[(1, 42810100), (2, 21405050), (4, 10702525), (5, 8562020), (10, 4281010), (20, 2140505), (25, 1712404), (50, 856202), (79, 541900), (100, 428101), (158, 270950), (316, 135475), (395, 108380), (790, 54190), (1580, 27095), (1975, 21676), (3950, 10838), (5419, 7900)]