2911640

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{877}}^1$

素因数の和:971

約数の個数: 32

約数和(自身を含む): 6637680

約数和(自身を除く): 3726040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 877, 1660, 1754, 3320, 3508, 4385, 7016, 8770, 17540, 35080, 72791, 145582, 291164, 363955, 582328, 727910, 1455820, 2911640]

約数ペア:

[(1, 2911640), (2, 1455820), (4, 727910), (5, 582328), (8, 363955), (10, 291164), (20, 145582), (40, 72791), (83, 35080), (166, 17540), (332, 8770), (415, 7016), (664, 4385), (830, 3508), (877, 3320), (1660, 1754)]