80521688

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{2857}}^1$

素因数の和:3147

約数の個数: 32

約数和(自身を含む): 163248960

約数和(自身を除く): 82727272

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 271, 542, 1084, 2168, 2857, 3523, 5714, 7046, 11428, 14092, 22856, 28184, 37141, 74282, 148564, 297128, 774247, 1548494, 3096988, 6193976, 10065211, 20130422, 40260844, 80521688]

約数ペア:

[(1, 80521688), (2, 40260844), (4, 20130422), (8, 10065211), (13, 6193976), (26, 3096988), (52, 1548494), (104, 774247), (271, 297128), (542, 148564), (1084, 74282), (2168, 37141), (2857, 28184), (3523, 22856), (5714, 14092), (7046, 11428)]