16565967580

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^2\times {\mathrm{19477}}^1$

素因数の和:19595

約数の個数: 72

約数和(自身を含む): 37166828832

約数和(自身を除く): 20600861252

約数列:

[1, 2, 4, 5, 10, 20, 23, 43, 46, 86, 92, 115, 172, 215, 230, 430, 460, 860, 989, 1849, 1978, 3698, 3956, 4945, 7396, 9245, 9890, 18490, 19477, 19780, 36980, 38954, 42527, 77908, 85054, 97385, 170108, 194770, 212635, 389540, 425270, 447971, 837511, 850540, 895942, 1675022, 1791884, 2239855, 3350044, 4187555, 4479710, 8375110, 8959420, 16750220, 19262753, 36012973, 38525506, 72025946, 77051012, 96313765, 144051892, 180064865, 192627530, 360129730, 385255060, 720259460, 828298379, 1656596758, 3313193516, 4141491895, 8282983790, 16565967580]

約数ペア:

[(1, 16565967580), (2, 8282983790), (4, 4141491895), (5, 3313193516), (10, 1656596758), (20, 828298379), (23, 720259460), (43, 385255060), (46, 360129730), (86, 192627530), (92, 180064865), (115, 144051892), (172, 96313765), (215, 77051012), (230, 72025946), (430, 38525506), (460, 36012973), (860, 19262753), (989, 16750220), (1849, 8959420), (1978, 8375110), (3698, 4479710), (3956, 4187555), (4945, 3350044), (7396, 2239855), (9245, 1791884), (9890, 1675022), (18490, 895942), (19477, 850540), (19780, 837511), (36980, 447971), (38954, 425270), (42527, 389540), (77908, 212635), (85054, 194770), (97385, 170108)]