1318040

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{397}}^1$

素因数の和:491

約数の個数: 32

約数和(自身を含む): 3008880

約数和(自身を除く): 1690840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 397, 415, 664, 794, 830, 1588, 1660, 1985, 3176, 3320, 3970, 7940, 15880, 32951, 65902, 131804, 164755, 263608, 329510, 659020, 1318040]

約数ペア:

[(1, 1318040), (2, 659020), (4, 329510), (5, 263608), (8, 164755), (10, 131804), (20, 65902), (40, 32951), (83, 15880), (166, 7940), (332, 3970), (397, 3320), (415, 3176), (664, 1985), (794, 1660), (830, 1588)]