40005406

素因数分解:

$2^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{27743}}^1$

素因数の和:27855

約数の個数: 16

約数和(自身を含む): 69249024

約数和(自身を除く): 29243618

約数列:

[1, 2, 7, 14, 103, 206, 721, 1442, 27743, 55486, 194201, 388402, 2857529, 5715058, 20002703, 40005406]

約数ペア:

[(1, 40005406), (2, 20002703), (7, 5715058), (14, 2857529), (103, 388402), (206, 194201), (721, 55486), (1442, 27743)]