1640592688

素因数分解:

$2^4\times 7^1\times {\mathrm{181}}^1\times {\mathrm{80929}}^1$

素因数の和:81125

約数の個数: 40

約数和(自身を含む): 3652856480

約数和(自身を除く): 2012263792

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 181, 362, 724, 1267, 1448, 2534, 2896, 5068, 10136, 20272, 80929, 161858, 323716, 566503, 647432, 1133006, 1294864, 2266012, 4532024, 9064048, 14648149, 29296298, 58592596, 102537043, 117185192, 205074086, 234370384, 410148172, 820296344, 1640592688]

約数ペア:

[(1, 1640592688), (2, 820296344), (4, 410148172), (7, 234370384), (8, 205074086), (14, 117185192), (16, 102537043), (28, 58592596), (56, 29296298), (112, 14648149), (181, 9064048), (362, 4532024), (724, 2266012), (1267, 1294864), (1448, 1133006), (2534, 647432), (2896, 566503), (5068, 323716), (10136, 161858), (20272, 80929)]