2019913025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{347}}^1\times {\mathrm{17911}}^1$

素因数の和:18281

約数の個数: 24

約数和(自身を含む): 2705285184

約数和(自身を除く): 685372159

約数列:

[1, 5, 13, 25, 65, 325, 347, 1735, 4511, 8675, 17911, 22555, 89555, 112775, 232843, 447775, 1164215, 5821075, 6215117, 31075585, 80796521, 155377925, 403982605, 2019913025]

約数ペア:

[(1, 2019913025), (5, 403982605), (13, 155377925), (25, 80796521), (65, 31075585), (325, 6215117), (347, 5821075), (1735, 1164215), (4511, 447775), (8675, 232843), (17911, 112775), (22555, 89555)]