40822640

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{251}}^1$

素因数の和:390

約数の個数: 80

約数和(自身を含む): 101243520

約数和(自身を除く): 60420880

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 107, 152, 190, 214, 251, 304, 380, 428, 502, 535, 760, 856, 1004, 1070, 1255, 1520, 1712, 2008, 2033, 2140, 2510, 4016, 4066, 4280, 4769, 5020, 8132, 8560, 9538, 10040, 10165, 16264, 19076, 20080, 20330, 23845, 26857, 32528, 38152, 40660, 47690, 53714, 76304, 81320, 95380, 107428, 134285, 162640, 190760, 214856, 268570, 381520, 429712, 510283, 537140, 1020566, 1074280, 2041132, 2148560, 2551415, 4082264, 5102830, 8164528, 10205660, 20411320, 40822640]

約数ペア:

[(1, 40822640), (2, 20411320), (4, 10205660), (5, 8164528), (8, 5102830), (10, 4082264), (16, 2551415), (19, 2148560), (20, 2041132), (38, 1074280), (40, 1020566), (76, 537140), (80, 510283), (95, 429712), (107, 381520), (152, 268570), (190, 214856), (214, 190760), (251, 162640), (304, 134285), (380, 107428), (428, 95380), (502, 81320), (535, 76304), (760, 53714), (856, 47690), (1004, 40660), (1070, 38152), (1255, 32528), (1520, 26857), (1712, 23845), (2008, 20330), (2033, 20080), (2140, 19076), (2510, 16264), (4016, 10165), (4066, 10040), (4280, 9538), (4769, 8560), (5020, 8132)]