39880020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{664667}}^1$

素因数の和:664679

約数の個数: 24

約数和(自身を含む): 111664224

約数和(自身を除く): 71784204

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 664667, 1329334, 1994001, 2658668, 3323335, 3988002, 6646670, 7976004, 9970005, 13293340, 19940010, 39880020]

約数ペア:

[(1, 39880020), (2, 19940010), (3, 13293340), (4, 9970005), (5, 7976004), (6, 6646670), (10, 3988002), (12, 3323335), (15, 2658668), (20, 1994001), (30, 1329334), (60, 664667)]