39220865

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{5591}}^1$

素因数の和:5680

約数の個数: 16

約数和(自身を含む): 49925376

約数和(自身を除く): 10704511

約数列:

[1, 5, 23, 61, 115, 305, 1403, 5591, 7015, 27955, 128593, 341051, 642965, 1705255, 7844173, 39220865]

約数ペア:

[(1, 39220865), (5, 7844173), (23, 1705255), (61, 642965), (115, 341051), (305, 128593), (1403, 27955), (5591, 7015)]