80218736

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{8969}}^1$

素因数の和:9033

約数の個数: 40

約数和(自身を含む): 171291120

約数和(自身を除く): 91072384

約数列:

[1, 2, 4, 8, 13, 16, 26, 43, 52, 86, 104, 172, 208, 344, 559, 688, 1118, 2236, 4472, 8944, 8969, 17938, 35876, 71752, 116597, 143504, 233194, 385667, 466388, 771334, 932776, 1542668, 1865552, 3085336, 5013671, 6170672, 10027342, 20054684, 40109368, 80218736]

約数ペア:

[(1, 80218736), (2, 40109368), (4, 20054684), (8, 10027342), (13, 6170672), (16, 5013671), (26, 3085336), (43, 1865552), (52, 1542668), (86, 932776), (104, 771334), (172, 466388), (208, 385667), (344, 233194), (559, 143504), (688, 116597), (1118, 71752), (2236, 35876), (4472, 17938), (8944, 8969)]