25111888

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{19867}}^1$

素因数の和:19954

約数の個数: 20

約数和(自身を含む): 49272640

約数和(自身を除く): 24160752

約数列:

[1, 2, 4, 8, 16, 79, 158, 316, 632, 1264, 19867, 39734, 79468, 158936, 317872, 1569493, 3138986, 6277972, 12555944, 25111888]

約数ペア:

[(1, 25111888), (2, 12555944), (4, 6277972), (8, 3138986), (16, 1569493), (79, 317872), (158, 158936), (316, 79468), (632, 39734), (1264, 19867)]