40221415

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{19961}}^1$

素因数の和:20010

約数の個数: 16

約数和(自身を含む): 53657856

約数和(自身を除く): 13436441

約数列:

[1, 5, 13, 31, 65, 155, 403, 2015, 19961, 99805, 259493, 618791, 1297465, 3093955, 8044283, 40221415]

約数ペア:

[(1, 40221415), (5, 8044283), (13, 3093955), (31, 1297465), (65, 618791), (155, 259493), (403, 99805), (2015, 19961)]