201255140

素因数分解:

$2^2\times 5^1\times {\mathrm{1009}}^1\times {\mathrm{9973}}^1$

素因数の和:10991

約数の個数: 24

約数和(自身を含む): 423097080

約数和(自身を除く): 221841940

約数列:

[1, 2, 4, 5, 10, 20, 1009, 2018, 4036, 5045, 9973, 10090, 19946, 20180, 39892, 49865, 99730, 199460, 10062757, 20125514, 40251028, 50313785, 100627570, 201255140]

約数ペア:

[(1, 201255140), (2, 100627570), (4, 50313785), (5, 40251028), (10, 20125514), (20, 10062757), (1009, 199460), (2018, 99730), (4036, 49865), (5045, 39892), (9973, 20180), (10090, 19946)]