72520025

素因数分解:

$5^2\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{503}}^1$

素因数の和:665

約数の個数: 24

約数和(自身を含む): 92494080

約数和(自身を除く): 19974055

約数列:

[1, 5, 25, 73, 79, 365, 395, 503, 1825, 1975, 2515, 5767, 12575, 28835, 36719, 39737, 144175, 183595, 198685, 917975, 993425, 2900801, 14504005, 72520025]

約数ペア:

[(1, 72520025), (5, 14504005), (25, 2900801), (73, 993425), (79, 917975), (365, 198685), (395, 183595), (503, 144175), (1825, 39737), (1975, 36719), (2515, 28835), (5767, 12575)]