40180020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{669667}}^1$

素因数の和:669679

約数の個数: 24

約数和(自身を含む): 112504224

約数和(自身を除く): 72324204

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 669667, 1339334, 2009001, 2678668, 3348335, 4018002, 6696670, 8036004, 10045005, 13393340, 20090010, 40180020]

約数ペア:

[(1, 40180020), (2, 20090010), (3, 13393340), (4, 10045005), (5, 8036004), (6, 6696670), (10, 4018002), (12, 3348335), (15, 2678668), (20, 2009001), (30, 1339334), (60, 669667)]