90568720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{1019}}^1$

素因数の和:1144

約数の個数: 80

約数和(自身を含む): 232217280

約数和(自身を除く): 141648560

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 101, 110, 176, 202, 220, 404, 440, 505, 808, 880, 1010, 1019, 1111, 1616, 2020, 2038, 2222, 4040, 4076, 4444, 5095, 5555, 8080, 8152, 8888, 10190, 11110, 11209, 16304, 17776, 20380, 22220, 22418, 40760, 44440, 44836, 56045, 81520, 88880, 89672, 102919, 112090, 179344, 205838, 224180, 411676, 448360, 514595, 823352, 896720, 1029190, 1132109, 1646704, 2058380, 2264218, 4116760, 4528436, 5660545, 8233520, 9056872, 11321090, 18113744, 22642180, 45284360, 90568720]

約数ペア:

[(1, 90568720), (2, 45284360), (4, 22642180), (5, 18113744), (8, 11321090), (10, 9056872), (11, 8233520), (16, 5660545), (20, 4528436), (22, 4116760), (40, 2264218), (44, 2058380), (55, 1646704), (80, 1132109), (88, 1029190), (101, 896720), (110, 823352), (176, 514595), (202, 448360), (220, 411676), (404, 224180), (440, 205838), (505, 179344), (808, 112090), (880, 102919), (1010, 89672), (1019, 88880), (1111, 81520), (1616, 56045), (2020, 44836), (2038, 44440), (2222, 40760), (4040, 22418), (4076, 22220), (4444, 20380), (5095, 17776), (5555, 16304), (8080, 11209), (8152, 11110), (8888, 10190)]