16764080

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{269}}^1$

素因数の和:342

約数の個数: 80

約数和(自身を含む): 42184800

約数和(自身を除く): 25420720

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 41, 76, 80, 82, 95, 152, 164, 190, 205, 269, 304, 328, 380, 410, 538, 656, 760, 779, 820, 1076, 1345, 1520, 1558, 1640, 2152, 2690, 3116, 3280, 3895, 4304, 5111, 5380, 6232, 7790, 10222, 10760, 11029, 12464, 15580, 20444, 21520, 22058, 25555, 31160, 40888, 44116, 51110, 55145, 62320, 81776, 88232, 102220, 110290, 176464, 204440, 209551, 220580, 408880, 419102, 441160, 838204, 882320, 1047755, 1676408, 2095510, 3352816, 4191020, 8382040, 16764080]

約数ペア:

[(1, 16764080), (2, 8382040), (4, 4191020), (5, 3352816), (8, 2095510), (10, 1676408), (16, 1047755), (19, 882320), (20, 838204), (38, 441160), (40, 419102), (41, 408880), (76, 220580), (80, 209551), (82, 204440), (95, 176464), (152, 110290), (164, 102220), (190, 88232), (205, 81776), (269, 62320), (304, 55145), (328, 51110), (380, 44116), (410, 40888), (538, 31160), (656, 25555), (760, 22058), (779, 21520), (820, 20444), (1076, 15580), (1345, 12464), (1520, 11029), (1558, 10760), (1640, 10222), (2152, 7790), (2690, 6232), (3116, 5380), (3280, 5111), (3895, 4304)]