1640376685

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{10853}}^1$

素因数の和:10957

約数の個数: 32

約数和(自身を含む): 2177746560

約数和(自身を除く): 537369875

約数列:

[1, 5, 19, 37, 43, 95, 185, 215, 703, 817, 1591, 3515, 4085, 7955, 10853, 30229, 54265, 151145, 206207, 401561, 466679, 1031035, 2007805, 2333395, 7629659, 8866901, 17267123, 38148295, 44334505, 86335615, 328075337, 1640376685]

約数ペア:

[(1, 1640376685), (5, 328075337), (19, 86335615), (37, 44334505), (43, 38148295), (95, 17267123), (185, 8866901), (215, 7629659), (703, 2333395), (817, 2007805), (1591, 1031035), (3515, 466679), (4085, 401561), (7955, 206207), (10853, 151145), (30229, 54265)]