25139696

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{19889}}^1$

素因数の和:19976

約数の個数: 20

約数和(自身を含む): 49327200

約数和(自身を除く): 24187504

約数列:

[1, 2, 4, 8, 16, 79, 158, 316, 632, 1264, 19889, 39778, 79556, 159112, 318224, 1571231, 3142462, 6284924, 12569848, 25139696]

約数ペア:

[(1, 25139696), (2, 12569848), (4, 6284924), (8, 3142462), (16, 1571231), (79, 318224), (158, 159112), (316, 79556), (632, 39778), (1264, 19889)]