2019442480

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{22721}}^1$

素因数の和:22846

約数の個数: 80

約数和(自身を含む): 5172981408

約数和(自身を除く): 3153538928

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, 1111, 1616, 2020, 2222, 4040, 4444, 5555, 8080, 8888, 11110, 17776, 22220, 22721, 44440, 45442, 88880, 90884, 113605, 181768, 227210, 249931, 363536, 454420, 499862, 908840, 999724, 1249655, 1817680, 1999448, 2294821, 2499310, 3998896, 4589642, 4998620, 9179284, 9997240, 11474105, 18358568, 19994480, 22948210, 25243031, 36717136, 45896420, 50486062, 91792840, 100972124, 126215155, 183585680, 201944248, 252430310, 403888496, 504860620, 1009721240, 2019442480]

約数ペア:

[(1, 2019442480), (2, 1009721240), (4, 504860620), (5, 403888496), (8, 252430310), (10, 201944248), (11, 183585680), (16, 126215155), (20, 100972124), (22, 91792840), (40, 50486062), (44, 45896420), (55, 36717136), (80, 25243031), (88, 22948210), (101, 19994480), (110, 18358568), (176, 11474105), (202, 9997240), (220, 9179284), (404, 4998620), (440, 4589642), (505, 3998896), (808, 2499310), (880, 2294821), (1010, 1999448), (1111, 1817680), (1616, 1249655), (2020, 999724), (2222, 908840), (4040, 499862), (4444, 454420), (5555, 363536), (8080, 249931), (8888, 227210), (11110, 181768), (17776, 113605), (22220, 90884), (22721, 88880), (44440, 45442)]