64383820

素因数分解:

$2^2\times 5^1\times {\mathrm{293}}^1\times {\mathrm{10987}}^1$

素因数の和:11289

約数の個数: 24

約数和(自身を含む): 135679824

約数和(自身を除く): 71296004

約数列:

[1, 2, 4, 5, 10, 20, 293, 586, 1172, 1465, 2930, 5860, 10987, 21974, 43948, 54935, 109870, 219740, 3219191, 6438382, 12876764, 16095955, 32191910, 64383820]

約数ペア:

[(1, 64383820), (2, 32191910), (4, 16095955), (5, 12876764), (10, 6438382), (20, 3219191), (293, 219740), (586, 109870), (1172, 54935), (1465, 43948), (2930, 21974), (5860, 10987)]