40004258

素因数分解:

$2^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{15787}}^1$

素因数の和:15977

約数の個数: 16

約数和(自身を含む): 68961984

約数和(自身を除く): 28957726

約数列:

[1, 2, 7, 14, 181, 362, 1267, 2534, 15787, 31574, 110509, 221018, 2857447, 5714894, 20002129, 40004258]

約数ペア:

[(1, 40004258), (2, 20002129), (7, 5714894), (14, 2857447), (181, 221018), (362, 110509), (1267, 31574), (2534, 15787)]