169118440

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{1021}}^1$

素因数の和:1174

約数の個数: 64

約数和(自身を含む): 394042320

約数和(自身を除く): 224923880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 101, 164, 202, 205, 328, 404, 410, 505, 808, 820, 1010, 1021, 1640, 2020, 2042, 4040, 4084, 4141, 5105, 8168, 8282, 10210, 16564, 20420, 20705, 33128, 40840, 41410, 41861, 82820, 83722, 103121, 165640, 167444, 206242, 209305, 334888, 412484, 418610, 515605, 824968, 837220, 1031210, 1674440, 2062420, 4124840, 4227961, 8455922, 16911844, 21139805, 33823688, 42279610, 84559220, 169118440]

約数ペア:

[(1, 169118440), (2, 84559220), (4, 42279610), (5, 33823688), (8, 21139805), (10, 16911844), (20, 8455922), (40, 4227961), (41, 4124840), (82, 2062420), (101, 1674440), (164, 1031210), (202, 837220), (205, 824968), (328, 515605), (404, 418610), (410, 412484), (505, 334888), (808, 209305), (820, 206242), (1010, 167444), (1021, 165640), (1640, 103121), (2020, 83722), (2042, 82820), (4040, 41861), (4084, 41410), (4141, 40840), (5105, 33128), (8168, 20705), (8282, 20420), (10210, 16564)]