65407840

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{173}}^1$

素因数の和:344

約数の個数: 96

約数和(自身を含む): 165745440

約数和(自身を除く): 100337600

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 139, 160, 170, 173, 272, 278, 340, 346, 544, 556, 680, 692, 695, 865, 1112, 1360, 1384, 1390, 1730, 2224, 2363, 2720, 2768, 2780, 2941, 3460, 4448, 4726, 5536, 5560, 5882, 6920, 9452, 11120, 11764, 11815, 13840, 14705, 18904, 22240, 23528, 23630, 24047, 27680, 29410, 37808, 47056, 47260, 48094, 58820, 75616, 94112, 94520, 96188, 117640, 120235, 189040, 192376, 235280, 240470, 378080, 384752, 408799, 470560, 480940, 769504, 817598, 961880, 1635196, 1923760, 2043995, 3270392, 3847520, 4087990, 6540784, 8175980, 13081568, 16351960, 32703920, 65407840]

約数ペア:

[(1, 65407840), (2, 32703920), (4, 16351960), (5, 13081568), (8, 8175980), (10, 6540784), (16, 4087990), (17, 3847520), (20, 3270392), (32, 2043995), (34, 1923760), (40, 1635196), (68, 961880), (80, 817598), (85, 769504), (136, 480940), (139, 470560), (160, 408799), (170, 384752), (173, 378080), (272, 240470), (278, 235280), (340, 192376), (346, 189040), (544, 120235), (556, 117640), (680, 96188), (692, 94520), (695, 94112), (865, 75616), (1112, 58820), (1360, 48094), (1384, 47260), (1390, 47056), (1730, 37808), (2224, 29410), (2363, 27680), (2720, 24047), (2768, 23630), (2780, 23528), (2941, 22240), (3460, 18904), (4448, 14705), (4726, 13840), (5536, 11815), (5560, 11764), (5882, 11120), (6920, 9452)]