38879620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{653}}^1$

素因数の和:904

約数の個数: 48

約数和(自身を含む): 88446960

約数和(自身を除く): 49567340

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 229, 260, 458, 653, 916, 1145, 1306, 2290, 2612, 2977, 3265, 4580, 5954, 6530, 8489, 11908, 13060, 14885, 16978, 29770, 33956, 42445, 59540, 84890, 149537, 169780, 299074, 598148, 747685, 1495370, 1943981, 2990740, 3887962, 7775924, 9719905, 19439810, 38879620]

約数ペア:

[(1, 38879620), (2, 19439810), (4, 9719905), (5, 7775924), (10, 3887962), (13, 2990740), (20, 1943981), (26, 1495370), (52, 747685), (65, 598148), (130, 299074), (229, 169780), (260, 149537), (458, 84890), (653, 59540), (916, 42445), (1145, 33956), (1306, 29770), (2290, 16978), (2612, 14885), (2977, 13060), (3265, 11908), (4580, 8489), (5954, 6530)]