28055660

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{16901}}^1$

素因数の和:16993

約数の個数: 24

約数和(自身を含む): 59630256

約数和(自身を除く): 31574596

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 16901, 33802, 67604, 84505, 169010, 338020, 1402783, 2805566, 5611132, 7013915, 14027830, 28055660]

約数ペア:

[(1, 28055660), (2, 14027830), (4, 7013915), (5, 5611132), (10, 2805566), (20, 1402783), (83, 338020), (166, 169010), (332, 84505), (415, 67604), (830, 33802), (1660, 16901)]