130772540

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{33191}}^1$

素因数の和:33397

約数の個数: 24

約数和(自身を含む): 276024672

約数和(自身を除く): 145252132

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1970, 3940, 33191, 66382, 132764, 165955, 331910, 663820, 6538627, 13077254, 26154508, 32693135, 65386270, 130772540]

約数ペア:

[(1, 130772540), (2, 65386270), (4, 32693135), (5, 26154508), (10, 13077254), (20, 6538627), (197, 663820), (394, 331910), (788, 165955), (985, 132764), (1970, 66382), (3940, 33191)]