1016205440

素因数分解:

$2^7\times 5^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1\times {\mathrm{199}}^1$

素因数の和:398

約数の個数: 128

約数和(自身を含む): 2496960000

約数和(自身を除く): 1480754560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 101, 128, 158, 160, 199, 202, 316, 320, 395, 398, 404, 505, 632, 640, 790, 796, 808, 995, 1010, 1264, 1580, 1592, 1616, 1990, 2020, 2528, 3160, 3184, 3232, 3980, 4040, 5056, 6320, 6368, 6464, 7960, 7979, 8080, 10112, 12640, 12736, 12928, 15721, 15920, 15958, 16160, 20099, 25280, 25472, 31442, 31840, 31916, 32320, 39895, 40198, 50560, 62884, 63680, 63832, 64640, 78605, 79790, 80396, 100495, 125768, 127360, 127664, 157210, 159580, 160792, 200990, 251536, 255328, 314420, 319160, 321584, 401980, 503072, 510656, 628840, 638320, 643168, 803960, 1006144, 1021312, 1257680, 1276640, 1286336, 1587821, 1607920, 2012288, 2515360, 2553280, 2572672, 3175642, 3215840, 5030720, 5106560, 6351284, 6431680, 7939105, 10061440, 12702568, 12863360, 15878210, 25405136, 31756420, 50810272, 63512840, 101620544, 127025680, 203241088, 254051360, 508102720, 1016205440]

約数ペア:

[(1, 1016205440), (2, 508102720), (4, 254051360), (5, 203241088), (8, 127025680), (10, 101620544), (16, 63512840), (20, 50810272), (32, 31756420), (40, 25405136), (64, 15878210), (79, 12863360), (80, 12702568), (101, 10061440), (128, 7939105), (158, 6431680), (160, 6351284), (199, 5106560), (202, 5030720), (316, 3215840), (320, 3175642), (395, 2572672), (398, 2553280), (404, 2515360), (505, 2012288), (632, 1607920), (640, 1587821), (790, 1286336), (796, 1276640), (808, 1257680), (995, 1021312), (1010, 1006144), (1264, 803960), (1580, 643168), (1592, 638320), (1616, 628840), (1990, 510656), (2020, 503072), (2528, 401980), (3160, 321584), (3184, 319160), (3232, 314420), (3980, 255328), (4040, 251536), (5056, 200990), (6320, 160792), (6368, 159580), (6464, 157210), (7960, 127664), (7979, 127360), (8080, 125768), (10112, 100495), (12640, 80396), (12736, 79790), (12928, 78605), (15721, 64640), (15920, 63832), (15958, 63680), (16160, 62884), (20099, 50560), (25280, 40198), (25472, 39895), (31442, 32320), (31840, 31916)]