204117702940

素因数分解:

$2^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{40660897}}^1$

素因数の和:40661157

約数の個数: 24

約数和(自身を含む): 430354944432

約数和(自身を除く): 226237241492

約数列:

[1, 2, 4, 5, 10, 20, 251, 502, 1004, 1255, 2510, 5020, 40660897, 81321794, 162643588, 203304485, 406608970, 813217940, 10205885147, 20411770294, 40823540588, 51029425735, 102058851470, 204117702940]

約数ペア:

[(1, 204117702940), (2, 102058851470), (4, 51029425735), (5, 40823540588), (10, 20411770294), (20, 10205885147), (251, 813217940), (502, 406608970), (1004, 203304485), (1255, 162643588), (2510, 81321794), (5020, 40660897)]