25625760640

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{401}}^1\times {\mathrm{3221}}^1$

素因数の和:3672

約数の個数: 128

約数和(自身を含む): 63415146240

約数和(自身を除く): 37789385600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 401, 496, 620, 640, 802, 992, 1240, 1604, 1984, 2005, 2480, 3208, 3221, 3968, 4010, 4960, 6416, 6442, 8020, 9920, 12431, 12832, 12884, 16040, 16105, 19840, 24862, 25664, 25768, 32080, 32210, 49724, 51328, 51536, 62155, 64160, 64420, 99448, 99851, 103072, 124310, 128320, 128840, 198896, 199702, 206144, 248620, 256640, 257680, 397792, 399404, 412288, 497240, 499255, 515360, 795584, 798808, 994480, 998510, 1030720, 1291621, 1591168, 1597616, 1988960, 1997020, 2061440, 2583242, 3195232, 3977920, 3994040, 5166484, 6390464, 6458105, 7955840, 7988080, 10332968, 12780928, 12916210, 15976160, 20665936, 25832420, 31952320, 40040251, 41331872, 51664840, 63904640, 80080502, 82663744, 103329680, 160161004, 165327488, 200201255, 206659360, 320322008, 400402510, 413318720, 640644016, 800805020, 826637440, 1281288032, 1601610040, 2562576064, 3203220080, 5125152128, 6406440160, 12812880320, 25625760640]

約数ペア:

[(1, 25625760640), (2, 12812880320), (4, 6406440160), (5, 5125152128), (8, 3203220080), (10, 2562576064), (16, 1601610040), (20, 1281288032), (31, 826637440), (32, 800805020), (40, 640644016), (62, 413318720), (64, 400402510), (80, 320322008), (124, 206659360), (128, 200201255), (155, 165327488), (160, 160161004), (248, 103329680), (310, 82663744), (320, 80080502), (401, 63904640), (496, 51664840), (620, 41331872), (640, 40040251), (802, 31952320), (992, 25832420), (1240, 20665936), (1604, 15976160), (1984, 12916210), (2005, 12780928), (2480, 10332968), (3208, 7988080), (3221, 7955840), (3968, 6458105), (4010, 6390464), (4960, 5166484), (6416, 3994040), (6442, 3977920), (8020, 3195232), (9920, 2583242), (12431, 2061440), (12832, 1997020), (12884, 1988960), (16040, 1597616), (16105, 1591168), (19840, 1291621), (24862, 1030720), (25664, 998510), (25768, 994480), (32080, 798808), (32210, 795584), (49724, 515360), (51328, 499255), (51536, 497240), (62155, 412288), (64160, 399404), (64420, 397792), (99448, 257680), (99851, 256640), (103072, 248620), (124310, 206144), (128320, 199702), (128840, 198896)]