128564920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{101}}^1\times {\mathrm{263}}^1$

素因数の和:397

約数の個数: 96

約数和(自身を含む): 322328160

約数和(自身を除く): 193763240

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 101, 110, 121, 202, 220, 242, 263, 404, 440, 484, 505, 526, 605, 808, 968, 1010, 1052, 1111, 1210, 1315, 2020, 2104, 2222, 2420, 2630, 2893, 4040, 4444, 4840, 5260, 5555, 5786, 8888, 10520, 11110, 11572, 12221, 14465, 22220, 23144, 24442, 26563, 28930, 31823, 44440, 48884, 53126, 57860, 61105, 63646, 97768, 106252, 115720, 122210, 127292, 132815, 159115, 212504, 244420, 254584, 265630, 292193, 318230, 488840, 531260, 584386, 636460, 1062520, 1168772, 1272920, 1460965, 2337544, 2921930, 3214123, 5843860, 6428246, 11687720, 12856492, 16070615, 25712984, 32141230, 64282460, 128564920]

約数ペア:

[(1, 128564920), (2, 64282460), (4, 32141230), (5, 25712984), (8, 16070615), (10, 12856492), (11, 11687720), (20, 6428246), (22, 5843860), (40, 3214123), (44, 2921930), (55, 2337544), (88, 1460965), (101, 1272920), (110, 1168772), (121, 1062520), (202, 636460), (220, 584386), (242, 531260), (263, 488840), (404, 318230), (440, 292193), (484, 265630), (505, 254584), (526, 244420), (605, 212504), (808, 159115), (968, 132815), (1010, 127292), (1052, 122210), (1111, 115720), (1210, 106252), (1315, 97768), (2020, 63646), (2104, 61105), (2222, 57860), (2420, 53126), (2630, 48884), (2893, 44440), (4040, 31823), (4444, 28930), (4840, 26563), (5260, 24442), (5555, 23144), (5786, 22220), (8888, 14465), (10520, 12221), (11110, 11572)]