80478265

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{257}}^1\times {\mathrm{389}}^1$

素因数の和:681

約数の個数: 32

約数和(自身を含む): 115914240

約数和(自身を除く): 35435975

約数列:

[1, 5, 7, 23, 35, 115, 161, 257, 389, 805, 1285, 1799, 1945, 2723, 5911, 8947, 8995, 13615, 29555, 41377, 44735, 62629, 99973, 206885, 313145, 499865, 699811, 2299379, 3499055, 11496895, 16095653, 80478265]

約数ペア:

[(1, 80478265), (5, 16095653), (7, 11496895), (23, 3499055), (35, 2299379), (115, 699811), (161, 499865), (257, 313145), (389, 206885), (805, 99973), (1285, 62629), (1799, 44735), (1945, 41377), (2723, 29555), (5911, 13615), (8947, 8995)]