90589840

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{911}}^1$

素因数の和:1048

約数の個数: 80

約数和(自身を含む): 232056576

約数和(自身を除く): 141466736

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 113, 176, 220, 226, 440, 452, 565, 880, 904, 911, 1130, 1243, 1808, 1822, 2260, 2486, 3644, 4520, 4555, 4972, 6215, 7288, 9040, 9110, 9944, 10021, 12430, 14576, 18220, 19888, 20042, 24860, 36440, 40084, 49720, 50105, 72880, 80168, 99440, 100210, 102943, 160336, 200420, 205886, 400840, 411772, 514715, 801680, 823544, 1029430, 1132373, 1647088, 2058860, 2264746, 4117720, 4529492, 5661865, 8235440, 9058984, 11323730, 18117968, 22647460, 45294920, 90589840]

約数ペア:

[(1, 90589840), (2, 45294920), (4, 22647460), (5, 18117968), (8, 11323730), (10, 9058984), (11, 8235440), (16, 5661865), (20, 4529492), (22, 4117720), (40, 2264746), (44, 2058860), (55, 1647088), (80, 1132373), (88, 1029430), (110, 823544), (113, 801680), (176, 514715), (220, 411772), (226, 400840), (440, 205886), (452, 200420), (565, 160336), (880, 102943), (904, 100210), (911, 99440), (1130, 80168), (1243, 72880), (1808, 50105), (1822, 49720), (2260, 40084), (2486, 36440), (3644, 24860), (4520, 20042), (4555, 19888), (4972, 18220), (6215, 14576), (7288, 12430), (9040, 10021), (9110, 9944)]