40559998

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{311}}^1\times {\mathrm{1069}}^1$

素因数の和:1443

約数の個数: 16

約数和(自身を含む): 62094240

約数和(自身を除く): 21534242

約数列:

[1, 2, 61, 122, 311, 622, 1069, 2138, 18971, 37942, 65209, 130418, 332459, 664918, 20279999, 40559998]

約数ペア:

[(1, 40559998), (2, 20279999), (61, 664918), (122, 332459), (311, 130418), (622, 65209), (1069, 37942), (2138, 18971)]