28730060

素因数分解:

$2^2\times 5^1\times {\mathrm{557}}^1\times {\mathrm{2579}}^1$

素因数の和:3145

約数の個数: 24

約数和(自身を含む): 60464880

約数和(自身を除く): 31734820

約数列:

[1, 2, 4, 5, 10, 20, 557, 1114, 2228, 2579, 2785, 5158, 5570, 10316, 11140, 12895, 25790, 51580, 1436503, 2873006, 5746012, 7182515, 14365030, 28730060]

約数ペア:

[(1, 28730060), (2, 14365030), (4, 7182515), (5, 5746012), (10, 2873006), (20, 1436503), (557, 51580), (1114, 25790), (2228, 12895), (2579, 11140), (2785, 10316), (5158, 5570)]