201000025

素因数分解:

$5^2\times {\mathrm{73}}^1\times {\mathrm{241}}^1\times {\mathrm{457}}^1$

素因数の和:781

約数の個数: 24

約数和(自身を含む): 254257784

約数和(自身を除く): 53257759

約数列:

[1, 5, 25, 73, 241, 365, 457, 1205, 1825, 2285, 6025, 11425, 17593, 33361, 87965, 110137, 166805, 439825, 550685, 834025, 2753425, 8040001, 40200005, 201000025]

約数ペア:

[(1, 201000025), (5, 40200005), (25, 8040001), (73, 2753425), (241, 834025), (365, 550685), (457, 439825), (1205, 166805), (1825, 110137), (2285, 87965), (6025, 33361), (11425, 17593)]