39661360

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{269}}^1$

素因数の和:398

約数の個数: 80

約数和(自身を含む): 98431200

約数和(自身を除く): 58769840

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 97, 152, 190, 194, 269, 304, 380, 388, 485, 538, 760, 776, 970, 1076, 1345, 1520, 1552, 1843, 1940, 2152, 2690, 3686, 3880, 4304, 5111, 5380, 7372, 7760, 9215, 10222, 10760, 14744, 18430, 20444, 21520, 25555, 26093, 29488, 36860, 40888, 51110, 52186, 73720, 81776, 102220, 104372, 130465, 147440, 204440, 208744, 260930, 408880, 417488, 495767, 521860, 991534, 1043720, 1983068, 2087440, 2478835, 3966136, 4957670, 7932272, 9915340, 19830680, 39661360]

約数ペア:

[(1, 39661360), (2, 19830680), (4, 9915340), (5, 7932272), (8, 4957670), (10, 3966136), (16, 2478835), (19, 2087440), (20, 1983068), (38, 1043720), (40, 991534), (76, 521860), (80, 495767), (95, 417488), (97, 408880), (152, 260930), (190, 208744), (194, 204440), (269, 147440), (304, 130465), (380, 104372), (388, 102220), (485, 81776), (538, 73720), (760, 52186), (776, 51110), (970, 40888), (1076, 36860), (1345, 29488), (1520, 26093), (1552, 25555), (1843, 21520), (1940, 20444), (2152, 18430), (2690, 14744), (3686, 10760), (3880, 10222), (4304, 9215), (5111, 7760), (5380, 7372)]