16381040

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{829}}^1$

素因数の和:874

約数の個数: 80

約数和(自身を含む): 43226400

約数和(自身を除く): 26845360

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 190, 208, 247, 260, 304, 380, 494, 520, 760, 829, 988, 1040, 1235, 1520, 1658, 1976, 2470, 3316, 3952, 4145, 4940, 6632, 8290, 9880, 10777, 13264, 15751, 16580, 19760, 21554, 31502, 33160, 43108, 53885, 63004, 66320, 78755, 86216, 107770, 126008, 157510, 172432, 204763, 215540, 252016, 315020, 409526, 431080, 630040, 819052, 862160, 1023815, 1260080, 1638104, 2047630, 3276208, 4095260, 8190520, 16381040]

約数ペア:

[(1, 16381040), (2, 8190520), (4, 4095260), (5, 3276208), (8, 2047630), (10, 1638104), (13, 1260080), (16, 1023815), (19, 862160), (20, 819052), (26, 630040), (38, 431080), (40, 409526), (52, 315020), (65, 252016), (76, 215540), (80, 204763), (95, 172432), (104, 157510), (130, 126008), (152, 107770), (190, 86216), (208, 78755), (247, 66320), (260, 63004), (304, 53885), (380, 43108), (494, 33160), (520, 31502), (760, 21554), (829, 19760), (988, 16580), (1040, 15751), (1235, 13264), (1520, 10777), (1658, 9880), (1976, 8290), (2470, 6632), (3316, 4940), (3952, 4145)]