205621427720

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{127}}^1\times {\mathrm{400759}}^1$

素因数の和:400998

約数の個数: 64

約数和(自身を含む): 470909030400

約数和(自身を除く): 265287602680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 127, 202, 254, 404, 505, 508, 635, 808, 1010, 1016, 1270, 2020, 2540, 4040, 5080, 12827, 25654, 51308, 64135, 102616, 128270, 256540, 400759, 513080, 801518, 1603036, 2003795, 3206072, 4007590, 8015180, 16030360, 40476659, 50896393, 80953318, 101792786, 161906636, 202383295, 203585572, 254481965, 323813272, 404766590, 407171144, 508963930, 809533180, 1017927860, 1619066360, 2035855720, 5140535693, 10281071386, 20562142772, 25702678465, 41124285544, 51405356930, 102810713860, 205621427720]

約数ペア:

[(1, 205621427720), (2, 102810713860), (4, 51405356930), (5, 41124285544), (8, 25702678465), (10, 20562142772), (20, 10281071386), (40, 5140535693), (101, 2035855720), (127, 1619066360), (202, 1017927860), (254, 809533180), (404, 508963930), (505, 407171144), (508, 404766590), (635, 323813272), (808, 254481965), (1010, 203585572), (1016, 202383295), (1270, 161906636), (2020, 101792786), (2540, 80953318), (4040, 50896393), (5080, 40476659), (12827, 16030360), (25654, 8015180), (51308, 4007590), (64135, 3206072), (102616, 2003795), (128270, 1603036), (256540, 801518), (400759, 513080)]