39491660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{787}}^1$

素因数の和:1002

約数の個数: 48

約数和(自身を含む): 89888736

約数和(自身を除く): 50397076

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 193, 260, 386, 772, 787, 965, 1574, 1930, 2509, 3148, 3860, 3935, 5018, 7870, 10036, 10231, 12545, 15740, 20462, 25090, 40924, 50180, 51155, 102310, 151891, 204620, 303782, 607564, 759455, 1518910, 1974583, 3037820, 3949166, 7898332, 9872915, 19745830, 39491660]

約数ペア:

[(1, 39491660), (2, 19745830), (4, 9872915), (5, 7898332), (10, 3949166), (13, 3037820), (20, 1974583), (26, 1518910), (52, 759455), (65, 607564), (130, 303782), (193, 204620), (260, 151891), (386, 102310), (772, 51155), (787, 50180), (965, 40924), (1574, 25090), (1930, 20462), (2509, 15740), (3148, 12545), (3860, 10231), (3935, 10036), (5018, 7870)]