2000990945

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{2309}}^1\times {\mathrm{5591}}^1$

素因数の和:7936

約数の個数: 16

約数和(自身を含む): 2480163840

約数和(自身を除く): 479172895

約数列:

[1, 5, 31, 155, 2309, 5591, 11545, 27955, 71579, 173321, 357895, 866605, 12909619, 64548095, 400198189, 2000990945]

約数ペア:

[(1, 2000990945), (5, 400198189), (31, 64548095), (155, 12909619), (2309, 866605), (5591, 357895), (11545, 173321), (27955, 71579)]