346040

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{211}}^1$

素因数の和:263

約数の個数: 32

約数和(自身を含む): 801360

約数和(自身を除く): 455320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 211, 328, 410, 422, 820, 844, 1055, 1640, 1688, 2110, 4220, 8440, 8651, 17302, 34604, 43255, 69208, 86510, 173020, 346040]

約数ペア:

[(1, 346040), (2, 173020), (4, 86510), (5, 69208), (8, 43255), (10, 34604), (20, 17302), (40, 8651), (41, 8440), (82, 4220), (164, 2110), (205, 1688), (211, 1640), (328, 1055), (410, 844), (422, 820)]