80223760

素因数分解:

$2^4\times 5^1\times {\mathrm{1002797}}^1$

素因数の和:1002810

約数の個数: 20

約数和(自身を含む): 186520428

約数和(自身を除く): 106296668

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1002797, 2005594, 4011188, 5013985, 8022376, 10027970, 16044752, 20055940, 40111880, 80223760]

約数ペア:

[(1, 80223760), (2, 40111880), (4, 20055940), (5, 16044752), (8, 10027970), (10, 8022376), (16, 5013985), (20, 4011188), (40, 2005594), (80, 1002797)]