65163920

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{997}}^1$

素因数の和:1072

約数の個数: 80

約数和(自身を含む): 163352640

約数和(自身を除く): 98188720

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 43, 76, 80, 86, 95, 152, 172, 190, 215, 304, 344, 380, 430, 688, 760, 817, 860, 997, 1520, 1634, 1720, 1994, 3268, 3440, 3988, 4085, 4985, 6536, 7976, 8170, 9970, 13072, 15952, 16340, 18943, 19940, 32680, 37886, 39880, 42871, 65360, 75772, 79760, 85742, 94715, 151544, 171484, 189430, 214355, 303088, 342968, 378860, 428710, 685936, 757720, 814549, 857420, 1515440, 1629098, 1714840, 3258196, 3429680, 4072745, 6516392, 8145490, 13032784, 16290980, 32581960, 65163920]

約数ペア:

[(1, 65163920), (2, 32581960), (4, 16290980), (5, 13032784), (8, 8145490), (10, 6516392), (16, 4072745), (19, 3429680), (20, 3258196), (38, 1714840), (40, 1629098), (43, 1515440), (76, 857420), (80, 814549), (86, 757720), (95, 685936), (152, 428710), (172, 378860), (190, 342968), (215, 303088), (304, 214355), (344, 189430), (380, 171484), (430, 151544), (688, 94715), (760, 85742), (817, 79760), (860, 75772), (997, 65360), (1520, 42871), (1634, 39880), (1720, 37886), (1994, 32680), (3268, 19940), (3440, 18943), (3988, 16340), (4085, 15952), (4985, 13072), (6536, 9970), (7976, 8170)]