80470664

素因数分解:

$2^3\times {\mathrm{79}}^1\times {\mathrm{157}}^1\times {\mathrm{811}}^1$

素因数の和:1053

約数の個数: 32

約数和(自身を含む): 153955200

約数和(自身を除く): 73484536

約数列:

[1, 2, 4, 8, 79, 157, 158, 314, 316, 628, 632, 811, 1256, 1622, 3244, 6488, 12403, 24806, 49612, 64069, 99224, 127327, 128138, 254654, 256276, 509308, 512552, 1018616, 10058833, 20117666, 40235332, 80470664]

約数ペア:

[(1, 80470664), (2, 40235332), (4, 20117666), (8, 10058833), (79, 1018616), (157, 512552), (158, 509308), (314, 256276), (316, 254654), (628, 128138), (632, 127327), (811, 99224), (1256, 64069), (1622, 49612), (3244, 24806), (6488, 12403)]