1285694120

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1108357}}^1$

素因数の和:1108397

約数の個数: 32

約数和(自身を含む): 2992566600

約数和(自身を除く): 1706872480

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 1108357, 2216714, 4433428, 5541785, 8866856, 11083570, 22167140, 32142353, 44334280, 64284706, 128569412, 160711765, 257138824, 321423530, 642847060, 1285694120]

約数ペア:

[(1, 1285694120), (2, 642847060), (4, 321423530), (5, 257138824), (8, 160711765), (10, 128569412), (20, 64284706), (29, 44334280), (40, 32142353), (58, 22167140), (116, 11083570), (145, 8866856), (232, 5541785), (290, 4433428), (580, 2216714), (1160, 1108357)]