40420020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{673667}}^1$

素因数の和:673679

約数の個数: 24

約数和(自身を含む): 113176224

約数和(自身を除く): 72756204

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 673667, 1347334, 2021001, 2694668, 3368335, 4042002, 6736670, 8084004, 10105005, 13473340, 20210010, 40420020]

約数ペア:

[(1, 40420020), (2, 20210010), (3, 13473340), (4, 10105005), (5, 8084004), (6, 6736670), (10, 4042002), (12, 3368335), (15, 2694668), (20, 2021001), (30, 1347334), (60, 673667)]