205129903760

素因数分解:

$2^4\times 5^1\times {\mathrm{2564123797}}^1$

素因数の和:2564123810

約数の個数: 20

約数和(自身を含む): 476927026428

約数和(自身を除く): 271797122668

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2564123797, 5128247594, 10256495188, 12820618985, 20512990376, 25641237970, 41025980752, 51282475940, 102564951880, 205129903760]

約数ペア:

[(1, 205129903760), (2, 102564951880), (4, 51282475940), (5, 41025980752), (8, 25641237970), (10, 20512990376), (16, 12820618985), (20, 10256495188), (40, 5128247594), (80, 2564123797)]