131409080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{2957}}^1$

素因数の和:3080

約数の個数: 64

約数和(自身を含む): 325853280

約数和(自身を除く): 194444200

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 101, 110, 202, 220, 404, 440, 505, 808, 1010, 1111, 2020, 2222, 2957, 4040, 4444, 5555, 5914, 8888, 11110, 11828, 14785, 22220, 23656, 29570, 32527, 44440, 59140, 65054, 118280, 130108, 162635, 260216, 298657, 325270, 597314, 650540, 1194628, 1301080, 1493285, 2389256, 2986570, 3285227, 5973140, 6570454, 11946280, 13140908, 16426135, 26281816, 32852270, 65704540, 131409080]

約数ペア:

[(1, 131409080), (2, 65704540), (4, 32852270), (5, 26281816), (8, 16426135), (10, 13140908), (11, 11946280), (20, 6570454), (22, 5973140), (40, 3285227), (44, 2986570), (55, 2389256), (88, 1493285), (101, 1301080), (110, 1194628), (202, 650540), (220, 597314), (404, 325270), (440, 298657), (505, 260216), (808, 162635), (1010, 130108), (1111, 118280), (2020, 65054), (2222, 59140), (2957, 44440), (4040, 32527), (4444, 29570), (5555, 23656), (5914, 22220), (8888, 14785), (11110, 11828)]