53723920

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{109}}^1$

素因数の和:284

約数の個数: 80

約数和(自身を含む): 129389040

約数和(自身を除く): 75665120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 101, 109, 122, 202, 218, 244, 305, 404, 436, 488, 505, 545, 610, 808, 872, 976, 1010, 1090, 1220, 1616, 1744, 2020, 2180, 2440, 4040, 4360, 4880, 6161, 6649, 8080, 8720, 11009, 12322, 13298, 22018, 24644, 26596, 30805, 33245, 44036, 49288, 53192, 55045, 61610, 66490, 88072, 98576, 106384, 110090, 123220, 132980, 176144, 220180, 246440, 265960, 440360, 492880, 531920, 671549, 880720, 1343098, 2686196, 3357745, 5372392, 6715490, 10744784, 13430980, 26861960, 53723920]

約数ペア:

[(1, 53723920), (2, 26861960), (4, 13430980), (5, 10744784), (8, 6715490), (10, 5372392), (16, 3357745), (20, 2686196), (40, 1343098), (61, 880720), (80, 671549), (101, 531920), (109, 492880), (122, 440360), (202, 265960), (218, 246440), (244, 220180), (305, 176144), (404, 132980), (436, 123220), (488, 110090), (505, 106384), (545, 98576), (610, 88072), (808, 66490), (872, 61610), (976, 55045), (1010, 53192), (1090, 49288), (1220, 44036), (1616, 33245), (1744, 30805), (2020, 26596), (2180, 24644), (2440, 22018), (4040, 13298), (4360, 12322), (4880, 11009), (6161, 8720), (6649, 8080)]