16940080

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{97}}^1$

素因数の和:206

約数の個数: 80

約数和(自身を含む): 41559840

約数和(自身を除く): 24619760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 59, 74, 80, 97, 118, 148, 185, 194, 236, 295, 296, 370, 388, 472, 485, 590, 592, 740, 776, 944, 970, 1180, 1480, 1552, 1940, 2183, 2360, 2960, 3589, 3880, 4366, 4720, 5723, 7178, 7760, 8732, 10915, 11446, 14356, 17464, 17945, 21830, 22892, 28615, 28712, 34928, 35890, 43660, 45784, 57230, 57424, 71780, 87320, 91568, 114460, 143560, 174640, 211751, 228920, 287120, 423502, 457840, 847004, 1058755, 1694008, 2117510, 3388016, 4235020, 8470040, 16940080]

約数ペア:

[(1, 16940080), (2, 8470040), (4, 4235020), (5, 3388016), (8, 2117510), (10, 1694008), (16, 1058755), (20, 847004), (37, 457840), (40, 423502), (59, 287120), (74, 228920), (80, 211751), (97, 174640), (118, 143560), (148, 114460), (185, 91568), (194, 87320), (236, 71780), (295, 57424), (296, 57230), (370, 45784), (388, 43660), (472, 35890), (485, 34928), (590, 28712), (592, 28615), (740, 22892), (776, 21830), (944, 17945), (970, 17464), (1180, 14356), (1480, 11446), (1552, 10915), (1940, 8732), (2183, 7760), (2360, 7178), (2960, 5723), (3589, 4720), (3880, 4366)]