3279880

素因数分解:

$2^3\times 5^1\times {\mathrm{167}}^1\times {\mathrm{491}}^1$

素因数の和:669

約数の個数: 32

約数和(自身を含む): 7439040

約数和(自身を除く): 4159160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 167, 334, 491, 668, 835, 982, 1336, 1670, 1964, 2455, 3340, 3928, 4910, 6680, 9820, 19640, 81997, 163994, 327988, 409985, 655976, 819970, 1639940, 3279880]

約数ペア:

[(1, 3279880), (2, 1639940), (4, 819970), (5, 655976), (8, 409985), (10, 327988), (20, 163994), (40, 81997), (167, 19640), (334, 9820), (491, 6680), (668, 4910), (835, 3928), (982, 3340), (1336, 2455), (1670, 1964)]