40720984

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{299419}}^1$

素因数の和:299442

約数の個数: 16

約数和(自身を含む): 80843400

約数和(自身を除く): 40122416

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 299419, 598838, 1197676, 2395352, 5090123, 10180246, 20360492, 40720984]

約数ペア:

[(1, 40720984), (2, 20360492), (4, 10180246), (8, 5090123), (17, 2395352), (34, 1197676), (68, 598838), (136, 299419)]