2783229160

素因数分解:

$2^3\times 5^1\times {\mathrm{16811}}^1\times {\mathrm{4139}}^1$

素因数の和:20961

約数の個数: 32

約数和(自身を含む): 6264151200

約数和(自身を除く): 3480922040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4139, 8278, 16556, 16811, 20695, 33112, 33622, 41390, 67244, 82780, 84055, 134488, 165560, 168110, 336220, 672440, 69580729, 139161458, 278322916, 347903645, 556645832, 695807290, 1391614580, 2783229160]

約数ペア:

[(1, 2783229160), (2, 1391614580), (4, 695807290), (5, 556645832), (8, 347903645), (10, 278322916), (20, 139161458), (40, 69580729), (4139, 672440), (8278, 336220), (16556, 168110), (16811, 165560), (20695, 134488), (33112, 84055), (33622, 82780), (41390, 67244)]