156519025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{20939}}^1$

素因数の和:20985

約数の個数: 24

約数和(自身を含む): 218111040

約数和(自身を除く): 61592015

約数列:

[1, 5, 13, 23, 25, 65, 115, 299, 325, 575, 1495, 7475, 20939, 104695, 272207, 481597, 523475, 1361035, 2407985, 6260761, 6805175, 12039925, 31303805, 156519025]

約数ペア:

[(1, 156519025), (5, 31303805), (13, 12039925), (23, 6805175), (25, 6260761), (65, 2407985), (115, 1361035), (299, 523475), (325, 481597), (575, 272207), (1495, 104695), (7475, 20939)]