173628440

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{105871}}^1$

素因数の和:105923

約数の個数: 32

約数和(自身を含む): 400196160

約数和(自身を除く): 226567720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 105871, 211742, 423484, 529355, 846968, 1058710, 2117420, 4234840, 4340711, 8681422, 17362844, 21703555, 34725688, 43407110, 86814220, 173628440]

約数ペア:

[(1, 173628440), (2, 86814220), (4, 43407110), (5, 34725688), (8, 21703555), (10, 17362844), (20, 8681422), (40, 4340711), (41, 4234840), (82, 2117420), (164, 1058710), (205, 846968), (328, 529355), (410, 423484), (820, 211742), (1640, 105871)]